Contributed Papers 

Abrams, Lowell 
George Washington University 

Abudayah, Mohammad 
German Jordanian University 

Abueida, Atif 
University of Dayton 
Decomposition of the Johnson Graphs into GraphPairs of order 4 
Agrinsoni, Carlos 
University of Puerto Rico Rio Piedras 

Akhtar, Yasmeen 
Arizona State University 
Mixed Covering, Locating, and Detecting Arrays via Cyclotomy 
Almodovar, Leyda 
Stonehill College 

Alochukwu, Alex 
University of Johannesburg 
Bounds on the (Edge)FaultDiameter of Bipartite C_{4}free Graphs 
Anantapantula, Saranya 
SpringFord Area High School 

Archana, S.  Calicut University  
Arrieta, Eddie  University of Puerto RicoRio Piedras 
Application of our GOUP Construction to Goppa Codes to Construct Quantum ErrorCorrecting Codes 
Arroyo, Andres  University of Puerto RicoRio Piedras  
Arumugam, S.  Kalasalingam Academy of Research and Education  
Aspenson, Grace  University of Minnesota Duluth 
Decomposing complete graphs into unicyclic bipartite graphs with nine edges 
Bagga, Jay  Ball State University  
Baker, Dustin  University of Minnesota, Duluth 
Decomposition of K_{n} Into Connected Unicyclic Tripartite Graphs With 9 Edges 
Balasubramanian, Suman  DePauw University  
Baloda, Barkha  Birla Institute of Technology and Science Pilani  
Bandpey, Zeinab  Morgan State University 
The number of graph homomorphisms between cycles and cycles with loops,

Bardenova, Viktoriya  Florida Gulf Coast University 
Tipsy Cop and Tipsy Robber: a Variation of Cops and Robbers Game 
Barrett, Wayne  Brigham Young University  
Barrus, Michael  University of Rhode Island  
Bartz, Jeremiah  University of North Dakota  
Baskoro, Edy Tri  Institut Teknologi Bandung 
Conjectures on the Total Vertexirregularity Strength of Graphs 
Baumann, Stacie  Auburn University  
Beasley, LeRoy  Utah State University  
Bednar, Victoria  Virginia Commonwealth University  
Benakli, Nadia  New York City College of Technology, CUNY  
Betten, Anton  Colorado State University  
Bhoumik, Soumya  Fort Hays State University  
Bickle, Allan  Penn State Altoona  
Bjorkman Morrison, Beth  AFRL 
NonAsymptotic Connectivity of Random Graphs and Their Unions 
Blanco, Saul A.  Indiana University  
Brown, Jason I.  Dalhousie University  
Brudnak, Joshua  Oakland University  
Buchanan, Calum  University of Vermont 
Expressing graphs as symmetric differences of cliques of the complete graph 
Buehrle, Charles 
Notre Dame of Maryland University 
Presentations of Coxeter groups of type A, B, and D using prefixreversal generators 
Bunge, Ryan 
Illinois State University 
Maximum packings of complete 3uniform hypergraphs into a 2regular hyper graph 
Bushaw, Neal 
Virginia Commonwealth University  
Byers, Alexis  Youngstown State University  
Carbonero, Alvaro  University of Nevada, Las Vegas 
Decoding Convergence: Tracing the sequences of HLine Graphs 
Carlson, Joshua  Williams College  
Carrigan, Braxton  Southern Connecticut State University  
Charles, Courteney  Howard University 
Constructing Clifford graph algebras for special classes of trees 
Che, Zhongyuan  Penn State University Beaver  
Clark, James  Florida Atlantic University  
Conrad, Esther  Iowa State University  
Curran, Stephen  University of Pittsburgh at Johnstown  
Dalal, Sandeep 
Birla Institute of Technology and Science Pilani, Pilani, India 

Dankelmann, Peter 
University of Johannesburg 

Daven, Mike 
Mount Saint Mary College 
Decomposition of the Johnson Graphs into GraphPairs of order 4 
Deaett, Louis 
Quinnipiac University 

DeDeo, Michelle 
University of North Florida & Mayo Clinic Collaborator 

Difulvio, Lena 
Washington & Jefferson College 

Dougherty, Ryan 
United States Military Academy West Point 

Draper, Richard  Center for Computing Sciences, Institute for Defense Analyses  
ElZanati, Saad  Illinois State University 
On kfactorizations of complete uniform hypergraphs of small order 
EmamyK., M.R.  University of Puerto Rico Rio Piedras  
Erey, Aysel  Gebze Technical University  
Erickson, Craig 
Hamline University  
Evans, Anthony  Wright State University 
The existence problem for strong complete mappings of finite groups 
Fajardo Gomez, Lina 
University of South Florida 

Farahani, Mozhgan  Memorial University of Newfoundland  
Fickes, Grant  University of South Carolina  
Fleischmann, Henry  University of Michigan  
Flemings, James  University of Alaska Anchorage  
Florez, Rigoberto  The Citadel 
A relation between nondecreasing Dyck paths and Riordan arrays 
Freyberg, Bryan  University of Minnesota Duluth  
Froncek, Dalibor  University of Minnesota Duluth  
Furst, Veronika  Fort Lewis College 
The inverse eigenvalue problem of a graph from a frame theoretic viewpoint 
Ganzhinov, Mikhail  Aalto University  
Garnett, Colin  Black Hills State University  
Gismondi, Steve  University of Guelph 
Complexity Class Boundaries and Incremental Changes to the Birkhoff Polytope 
Godbole, Anant  East Tennessee State University 
The Expected Number of Distinct Consecutive Patterns in a Random Permutation 
GonzalezAlbino, Lillian  University of Puerto Rico, Rio Piedras 
Involutions of F_{q} _{ }Obtained From Binomials of the Form xm(xq1/2+a) 
Gopalakrishnan, K.  East Carolina University 
A note on the (in)security of a stream cipher based on GopalaHemachandra Codes 
Gupta, Sambhav  Northville High School 
Conditional fractional matching preclusion of pancake graphs 
Hadaway, Kimberly P.  Williams College  
Hasni, Roslan  Universiti Malaysia Terengganu  
Heenehan, Megan 
Eastern Connecticut State University 

Heinlein, Daniel 
Aalto University 

Holliday, Sarah 
Kennesaw State University 

Hook, Jonelle 
Mount St. Mary’s University 

Hurlbert, Glenn 
Virginia Commonwealth University 

Imrona, Mahmud 
Institut Teknologi Bandung 

Jacob, Bonnie 
Rochester Institute of Technology 

Janwa, Heeralal 
University of Puerto Rico, Rio Piedras 
Resolution of a Conjecture on an Upper Bound on The Covering Radius of a Linear Code over F_{ q } 
Johnston, Daniel 
Skidmore College 

Karaoglu, Fatma 
Tekirdag Namik Kemal University, Turkey 

Kempner, Yulia 
Holon Institute of Technology 

Kempton, Mark  
Kenter, Franklin H. J. 
United States Naval Academy 
Zero forcing parameters, the ordered multiplicity inverse eigenvalue sequence problem for graphs and powers of graphs 
King, Zachary 
University of Central Oklahoma 

Misha Klopukh, Misha 
Florida Atlantic University 

Kong, Nayeong 
Indiana University East 

Korchmaros, Annachiara 
Aalto University 

LaneHarvard, Liz 
University of Central Oklahoma 
Miscellaneous New Strongly Regular Graphs from Generalized Quadrangles 
Larson, Craig  Virginia Commonwealth University  
Lau, GeeChoon  Universiti Teknologi MARA  
Lauderdale, L. K.  Towson University  
Lee, Sooyeon  University of Mississippi  
Levene, Rupert  University College, Dublin  
Levit, Vadim E.  Ariel University 
Inequalities Connecting the Annihilating and Independence Numbers 
Loos, Gabriel  Georgia Southern University  
Lorch, John  Ball State University  
Lusi, Dylan  Arizona State University 
Constructing Resolutions for an Infinite Family of Bose Triple Systems 
Low, Richard  San Jose State University  
Luttrell, Kristi  Seton Hall University 
Weighted Component Order Edge Connectivity for the Complete Bipartite Graph 
Malavadkar, P.P.  MIT World Peace University 
The esSplitting operation for matroids representable over prime fields GF(p) 
Markenzon, Lilian  NCE  Universidade Federal do Rio de Janeiro, Brazil  
Marr, Alison  Southwestern University  
Martin, Jo  University of Vermont  
Martin, William  Worcester Polytechnic Institute  
McColm, Greg  University of South Florida  
Melendez Rios, Gustavo  University of Puerto Rico, Rio Piedras  
Meyer, Seth  St. Norbert College  
Meyerowitz, Aaron  Florida Atlantic University  
Mishna, Marni  Simon Fraser University  
Mohammed, Abdulmelik  University of South Florida 
Knotted and Unknotted Eulerian Circuits on Graphs Embedded in Surfaces 
Mousley, Jonathan  Utah State University  
Mukherjee, Antara  The Citadel  
Myers, Timothy  Howard University 
An Equivalence Class Construction of Clifford Graph Algebras 
Narayan, Darren  Rochester Institute of Technology  
Newman, N.A.  Troy University  
Noble, Matt  Middle Georgia State University  
Oblak, Polona  University of Ljubljana 
Number of distinct eigenvalues of joins of unions of complete graphs 
Pardalos, Panos  University of Florida  
Pham, Andrew  University of Mississippi  
Piero, Fernando  University of Puerto Rico, Ponce 
ErrorCorrecting Codes for Quantum Computers (Binary and Quaternary) from

Praeger, Cheryl  University of Western Australia 
Finite edgetransitive Cayley graphs, quotient graphs and Frattini groups 
Ramirez, Jose  Universidad Nacional de Colombia  
Ramos, Andres  University of Puerto Rico, Rio Piedras  
Ray, Subhosit  Florida Atlantic University 
CompressedInference: Reinforcement Learning with Random Projections 
Raza, Zahid  University of Sharjah, UAE 
Expected values of some molecular descriptors in random phenylene chain 
Reyes Carranza, Roberto  Uuniversity of Puerto Rico Mayagüez  
Rimal, Binod  Florida Atlantic University  
Rimal, Ramchandra  Middle Tennessee State University  
Roblee, Ken  Troy University 
Nonexistence of a Subfamily of a Family of EdgeRegular Graphs 
Saccoman, John T.  Seton Hall University 
A Spanning TreeReducing Surgery and Partial Factor Majorization 
Sagan, Bruce  Michigan State University 
On a rankunimodality conjecture of MorierGenoud and Ovsienko 
Salehi, Ebrahim  University of Nevada Las Vegas  
Santana, Manuel  Utah State University  
Santiago, Javier  University of Puerto Rico Rio Piedras  
Schillewaert, Jeroen 
University of Auckland, New Zealand 
Wednesday: Constructing highly regular expanders from hyperbolic Coxeter 
Schillewaert, Jeroen 
University of Auckland, New Zealand 
Thursday: Small maximal independent sets 
Schmidt, James  Michigan State University  
Schmitt, John  Middlebury College  
Schwieder, Coy  University of Minnesota Duluth 
Decomposition of K_{18n} into Isomorphic Unicyclic Tripartite 9Edge Graphs 
Sciriha, Irene  University of Malta, Msida, Malta 
On the walks and CDC of graphs with the same main eigenspace 
Seo, Suk  Middle Tennessee State University  
Shader, Bryan  University of Wyoming, Laramie  
Shader, Bryan  University of Wyoming, Laramie 
The minimum number of distinct eigenvalues of a matrix with a given graph 
Shahrokhi, Farhad  University of North Texas  
Shen, Chenli  Southeast University  
Sholtes, Isabella  Washington & Jefferson College  
Simanjuntak, Rinovia  Tamaro Nadeak, Institut Teknologi Bandung  
Small, Ben  
Smigoc, Helena  University College Dublin  
Smith, Logan  Rice University 
An Integer Program for Positive Semidefinite Zero Forcing in Graphs 
Stinson, Doug  University of Waterloo 
On partial parallel classes in partial Steiner triple systems 
Su, HsinHao  Stonehill College  
Tittman, Peter  Mittweida University of Applied Sciences  
Tomasko, Jessica  Penn State Altoona  
Torres, Jaziel 
University of Puerto Rico at Rio Piedras 
Computation and Analysis of the Multidimensional Linear Complexity of Periodic Arrays 
Tranel, Theodore  Iowa State University 
Incidence profiles of partial geometric designs with small block size 
Turner, William  Illinois State University 
On decompositions of complete 4uniform hypergraphs into a 2regular 4cycle 
Vaidya, Sanju  Mercy College  
Vangipuram, A.  Novi High School  
Vargas, Carbonero  SUNY, Fredonia, UNLV 
Removing Symmetry in Circulant Graphs and PointBlock Incidence Graphs 
Velazquez, Jose  University of Puerto Rico, Rio Piedras 
Boolean Bent and NearBent Function Construction and 2 ErrorCorrecting Codes 
Walker, Shanise 
University of WisconsinEau Claire 
Zero Forcing, Power Domination, and Product Power Throttling of a Graph 
Wang, Hua 
Georgia Southern University 

Whitman, Rebecca 
University of California, Berkeley 

Winkler, Peter 
Dartmouth College 

Winkler, Peter 
Dartmouth College 

Xue, Wayne 
Clemson University 

Yadav, Pinki 
BITS, Pilani 

Yatauro, Michael 
Penn State Brandywine 

Yetim, Mehmet Akif 
Suleyman Demirel University 
Distance2 coloring of graphs via vertex elimination schemes 
Yosef, Ron 
Software Architect, TSG IT Advanced Systems Ltd. 

Zhao, Qinghong 
University of Mississippi 
Ramsey and GallaiRamsey numbers for graphs related to kipas 
Special Sessions 


Title: Graph Labelings 
Organizer: Richard Low, San Jose State University 

Arumugam, S  Kalasalingam Academy of Research and Education  
Low, Richard  San Jose State University  
Bagga, Jay  Ball State University  
Baskoro, Edy Tri  Institut Teknologi Bandung 
Conjectures on the Total Vertexirregularity Strength of Graphs 
Beasley, LeRoy  Utah State University  
Byers, Alexis  Youngstown State University  
Curran, Stephen 
University of Pittsburgh at Johnstown  C_{4}facemagic labelings on projective grid graphs 
Freyberg, Bryan  University of Minnesota Duluth  
Froncek, Dalibor  University of Minnesota Duluth  
Lau, GeeChoon 
Universiti Teknologi MARA  On Local Antimagic Chromatic Number of Spider Graphs 
Marr, Alison 
Southwestern University  DMagic Oriented Graphs 
Mousley, Jonathan 
Utah State University  (2,3)Cordial Oriented Hypercubes 
Salehi, Ebrahim 
University of Nevada Las Vegas  On Subset Labelings of Trees 
Santana, Manuel  Utah State University  
Su, Hsin Hao 
Stonehill College  On Graceful Spectra of Graphs 
Title:

Organizers: Leslie Hogben, Iowa State University and AIM 

Bjorkman Morrison, Beth  AFRL 
NonAsymptotic Connectivity of Random Graphs and Their Unions 
Carlson, Joshua 
Williams College  Zero Forcing and Throttling on Directed Graphs 
Conrad, Esther 
Iowa State University 
Positive Semidefinite Product Throttling 
Erickson, Craig  Hamline University  
Garnett, Colin 
Black Hills State University 
A Reducible SAP With 2n1 nonzero entries 
Jacob, Bonnie  Rochester Institute of Technology  
Kenter, Franklin H. J. 
United States Naval Academy 
Zero forcing parameters, the ordered multiplicity inverse eigenvalue sequence problem for graphs and powers of graphs 
Levene, Rupert  University College Dublin  
Meyer, Seth A.  St. Norbert College  
Small, Ben 

A Counterexample to a Conjecture on PSD Propagation Time 
Smigoc, Helena 
University College Dublin  Paths are generically realisable 
Smith, Logan 
Rice University  An Integer Program for Positive Semidefinite Zero Forcing in Graphs 
Walker, Shanise 
University of WisconsinEau Claire  Zero Forcing, Power Domination, and Product Power Throttling of a Graph 
Title: Undergraduate Research 
Organizer: Darren Narayan, Rochester Institute of Technology  
Anantapantula, Saranya 
SpringFord Area High School 
Structural properties of K ^{M} _{N} 
Aspenson, Grace 
University of Minnesota Duluth 
Decomposing complete graphs into unicyclic bipartite graphs with nine edges 
Baker, Dustin 
University of Minnesota Duluth 
Decomposition of K_{n} Into Connected Unicyclic Tripartite Graphs With 9 Edges 
Bushaw, Neal 
Virginia Commonwealth University 
Bootstrap Percolation and Automated Conjecturing 
Carbonero, Alvaro 
University of Nevada Las Vegas 
Decoding Convergence: Tracing the sequences of HLine Graphs 
Difulvio, Sholtes 
Washington & Jefferson College 
Cuspidal Ribbon Tableaux 
Flemings, James 
University of Alaska Anchorage 
Modular monochromatic (3, t)colorings 
Gupta, Sambhav 
Northville High School 
Conditional fractional matching preclusion of pancake graphs 
Hadaway, Kimberly P. 
Williams College  An Introduction to Parking Functions 
King, Zachary 
University of Central Oklahoma 
Counting Vertices in Interated Line Graphs 
Ramos, Andres 
University of Puerto Rico Rio Piedras 
Differences of Functions with the Same Value Set 
Santiago, Javier 
The University of Puerto Rico Rio Piedras 
Permutation binomials of index q^{e1}+...+q+1 over F_{qe } 
Schweider, Coy 
University of Minnesota Duluth 
Decomposition of K_{18n} into Isomorphic Unicyclic Tripartite 9Edge Graphs 
Tomasco, Jessica 
Penn State Altoona 
Fibonacci colored compositions and their applications 
Vangipuram, S. 
Novi High School 
Extraconnectivities of augmented cubes 
Vargas, Carbonero 
SUNY, Fredonia, UNLV 
Removing Symmetry in Circulant Graphs and PointBlock Incidence Graphs 
Yosef, Ron 
Software Architect, TSG IT Advanced Systems Ltd. 
On Unimodality of Independence Polynomials of Trees 
Abdallah, Mohamad  American University of Kuwait  
Adachi, Tomoko  Toho University  
Alameda, Joseph  Iowa State University 
An Upper Bound for the kPower Domination Number in Hypergraphs 
Alm, Jeremy  Lamar University  
Almodovar, Leyda  Stonehill College  
Alochukwu, Alex  University of Johannesburg 
Bounds on the (Edge)FaultDiameter of Bipartite C_{4}free Graphs 
Anderson, Sarah 
University of St. Thomas 

Andrews, Eric  University of Alaska, Anchorage  
Bailey, Sean  Texas A&M University  
Barrus, Michael  University of Rhode Island  
Bartz, Jeremiah  University of North Dakota  
Benkali, Nadia  New York City College of Technology, CUNY  
Betten, Anton  Colorado State University  
Bickle, Allan  Penn State Altoona  
Bjorkman, Beth  Iowa State University  
Blair, Howard  USAF Research Laboratory, Rome, NY 
Continuity, Differentiation and Quantum State Transfer in Discrete Structures 
Blumenthal, Adam  Iowa State University  
Bok, Jan  Charles University, Prague, Czech Republic  
Budzsisz, Stephanie  Oakland University  
Bushaw, Neal  Virginia Commonwealth University  
Butt, Saad Ihsan  COMSATS University Islamabad, Lahore Campus, Pakistan 
Omega, Sadhana and PadmakarIvan Polynomials for Some Chemical Graphs 
Byers, Alexis  Youngstown State University  
Carrigan, Braxton 
Southern Connecticut State University 

Chan, W. H.  The Education University of Hong Kong  
Che, Zhongyuan  Penn State University, Altoona  
Chen, Ketai  Auburn University 
An algorithm for counting binary Huffman sequences of specified length 
Choi, Sulyoung  Le Moyne College  
Collins, Karen L.  Wesleyan University  
Cone, Patrick  Indiana University of Pennsylvania  
Couch, P. J.  Lamar University  
Cruz, Dylan  University of Puerto Rico, Rio Piedras  
Curran, Stephen  University of Pittsburgh at Johnstown  
Dankelmann, Peter  University of Johannesburg  
Das, Aparna  Le Moyne College  
Davenport, Dennis  Howard University  
DeDeo, Michelle  University of North Florida 
Graph Energy in Interconnection Networks based on Cayley graphs of Permutation groups 
Delgado, Moises  University of Puerto Rico, Cayey Campus, PR 
New candidates for high degree trapdoor functions over finite fields 
Dowling, Alex  Florida Atlantic University  
Driscoll, Keith  Clayton State University 
On Directed Labelings of Paths, Alternating Paths, and Cycles 
Driskell, Kelly  University of Tampa  
Engbers, John  Marquette University 
Extremal colorings and independent sets in kchromatic graphs 
Fehribach, Joseph D.  WPI  
Ferrero, Daniela  Texas State University, San Marcos  
Flagg, Mary  University of St. Thomas  
Freyberg, Bryan  University of Minnesota Duluth 
March madness Magic: Scheduling a 64Team Tournament With a Magic Cube 
Froncek, Dalibor  University of Minnesota Duluth  
Geneson, Jesse  Iowa State University  
Gil, Juan  Penn State Altoona  
Gilroy, Haile  McNeese State University 
A Class of Bicyclic Antiautomorphisms of Mendelsohn Triple Systems 
Gismondi, Stephen  University of Guelph 
Modifications to the Birkhoff Polytope and Complexity Class Boundaries 
Gould, Ronald  Emory University  
Gray, Aaron D. 
Northeast State Community College 

Gupta, S.  Northville High School 
Conditional fractional matching preclusion of pancake graphs 
Guyer, Michael  Auburn University  
Hammer, James 
Cedar Crest College 
A Regional Kronecker Product and MultiplePair Latin Squares 
Harborth, Heiko  TU Braunschweig, Germany  
Hayat, Sakander 
GIK Institute of Engineering Sciences and Technology 
Coedgeregular graphs which are cospectral with the sextension of the square grid graphs 
Heissen, Mia  Manhattanville College 
On the ErdosSos conjecture for graphs with diameter at most k+2 
Helbling, Caleb  
Hell, Pavol  Simon Fraser University, Burnaby  
Hell, Pavol  Simon Fraser University  
HernandezCruz, Cesar  Facultad de Ciencias, UNAM  
Hersh, Partricia  The University of Oregon 
On counting by inclusionexclusion: Moebius functions, shellability and discrete Morse theory 
Hersh, Partricia  The University of Oregon  
Kingan, Sandra  Brooklyn College, CUNY  
Hogben, Leslie  Iowa State Univeristy  
Holliday, Sarah  Kennesaw State University  
Hopkins, Brian  Saint Peter's University  
Huerta, Zazil Santizo  Michigan Technological University  
Jacob, Bonnie  Rochester Institute of Technology  
Jacob, Jobby  Rochester Institute of Technology  
Jedlickova, Nikola  Charles University, Prague, Czech Republic  
Jeffries, Joel  Iowa State University  
Johnson, Peter  Auburn University 
Weighting the Edges of a Connected Graph to Achieve Metric Dimension One 
Johnston, Daniel  Skidmore College  
Kaneko, Yoshihiro  Gifu University  
Kenepp, David  Penn State University, Altoona 
Central binomial coefficients and patternavoiding permutations 
Khera, Jessica  Florida Atlantic University 
Longest Path in Acyclic Orientation of Complete Bipartite Graph 
Kimura, Kenji  Ishinomaki Senshu University  
Kritschgau, Jurgen  Iowa State University  
Lee, S.  University of Mississippi  
Lefmann, Hanno  TU Chemnitz, Germany 
Edgecolorings of hypergraphs avoiding a rainbow expanded complete graph or a Fan hypergraph 
Li, Jonathan  Texas Academy of Math and Science, UNT 
A performance study of the greedy algorithm for dominating set 
Lorch, John  Ball State University  
Lorenzen, Kate  Iowa State University  
Low, Richard  San Jose state University  
Lundberg, Erik  Florida Atlantic University  
Masuda, Ariane  NYC College of Technology  
Mayer, Carolyn  Worcester Polytechnic Institute  
McGinn, Donald  University of Nevada, Las Vegas  
Merz, Sarah  University of the Pacific  
Messinger, M. E.  Mount Allison University,  
Meyerowitz, Aaron  Florida Atlantic University  
Mukthineni, Turun  Colorado State University  
Murphy, Kyle  
Myers, Timothy  Howard University 
Constructing and Applying Clifford Graph Algebras for Dutch Windmill Graphs 
Narrayan, Darren  Rochester Institute of Technology  
Neal, MeiRose  Stonehill College  
Noble, Matt  Troy University  
O, Suil  The State University of New York, Korea 
Oretype Conditions for the Existence of Even [a; b]factor in Graphs 
Olejniczak, Drake  Purdue University Fort Wayne  
Olsen, Trevor  University of South Carolina  
Osaye, Fadekemi Janet  Auburn University  
Owens, Caitlin  DeSales University 
The Very Strong Proper Connection Number and Shortest Path Colorings 
Pardalos, Panos  University of Florida  
Parida, Prangya  Michigan Technological University 
On the existence of uniform 3class regular partial Steiner triple systems 
Paskowitz, Lyle  Johns Hopkins University 
Efficient and Nonefficient Domination of Zstacked Archimedean Lattices 
Peart, Paul  Howard University  
Pfaltz, John L.  University of Virginia  
Prier, David  Gannon University  
Reid, Michael  University of Central Florida  
Reinhart, Carolyn  Iowa State University  
Reiswig, Josiah  Anderson University  
Rombach, Puck  UVM 
Lower bounds for rainbow Turan numbers of paths and other trees 
Rubio, Ivelisse  University of Puerto Rico, Rio Piedras 
The covering method for pdivisibility of exponential sums over any finite field 
Ryan, Kathleen  DeSales University  
Salehi, Ebrahim  University of Nevada, Las Vegas  
Santiago, Javier  University of Puerto Rico  
Schmidt, KaiUwe  Paderborn University  
Schmitt, Karl R. B.  College of Engineering 
Fortnite Chest Collection Optimization: A Twist on the Orienteering Problem 
Seda, Carlos  University of Puerto Rico, Rio Piedras 
Solvability of systems of polynomial equations with multivariate polynomials as coefficients 
Servatius, Brigitte  WPI  
Servatius, Herman  WPI  
Shahrokhi, Farhad  University of North Texas  
Skyers, Marina  Penn State, Brandywine  
Soifer, Alexander  University of Colorado at Colorado Springs 
From Rolf Nevanlinna to Abacus, A Noteworthy History of an IMU Prize’s Name 
Sprangel, Elizabeth  Iowa State University  
Su, Hsinhao  Stonehill College  
Sun, Carl Xiaohang  Sacramento Waldorf School 
On Euclidean Deficiency of Zykov sums of caterpillars and one vertex null graph 
Tian, D.  Northville High School  
Tiemeyer, Michael  Georgia Southern University 
On 4cycle factorizations with two associate classes where a is 9the final time 
Torres, Jaziel 
University of Puerto Rico at Rio Piedras 
Analysis and Computation of the Multidimensional Linear Complexity of Periodic Arrays 
Tranel, Theodore  Iowa State University 
Characteristics of Partial Geometric Designs arising from Partial Geometries 
Trenk, Ann  Wellesley College  
Wass, Isaac  Iowa State University  
Williamson, Matthew  Marietta College 
On Computational Complexity of the Simple PathDependent Shortest Path Problem 
Yatauro, Michael  Penn State, Brandywine  
Zhang, Meng  University of North Georgia  
Zhao, Qinghong  University of Mississippi 
GallaiRamsey numbers for some graphs with chromatic number three 
Abdallah, Mohamad  American University of Kuwait 
Conditional Strong Matching Preclusion of the Alternating Group Graph 
Adachi, Tomoko  Toho University  
Adeniran, Ayomikun  
Ahmad, Sarfraz  COMSATS University Islamabad, Pakistan 
Topological Descriptor of 2Dimensional Silicon Carbons and Their Applications 
Ahmad, Uzma  University of the Punjab, Pakistan  
Aiken, Sophie 
Colorado College 

Ali, Kashif 
COMSATS University Islamabad, Pakistan. 
MPolynomials and Topological Indices Related to Graph Operations 
Alm, Jeremy  Lamar University  
Alogaidi, Awss  University of Sussez  
Anderson, Mark  Rollins College  
Angeleska, Angela  University of Tampa  
Arunandhi, P.  International Academy  
Asplund, John  Dalton State College  
Aydin, Nuh  Kenyon College 
New Results on Equivalence of Cyclic Codes and a Generalization of a Search Algorithm 
Babai, Laszlo  University of Chicago 
Global Symmetry from Local Information: The Graph Isomorphism Problem

Bailey, Sean  University of Southern Maine  
Balasubramanian, Suman  DePauw University  
Balof, Barry  Whitman College  
Barkley, Grant  North Carolina State University  
Barrett, Wayne  Brigham Young University 
Spanning 2Forests and Resistance Distance in 2Connected Graphs 
Barrus, Michael  University of Rhode Island  
Baskoro, Edy Tri  Institut Teknologi Bandung, Indonesia.  
Bataineh, Mohammad  University of Sharjah, UAE  
Baumbaugh, Travis  Clemson University  
Beasley, LeRoy  Utah State University  
Beineke, Lowell  Purdue University Fort Wayne 
A Survey of Strongly Multiplicative Graphs and Related Labelings 
Benakli, Nadia  New York City College of Technology, CUNY  
Berliner, Adam  St. Olaf College  
Betten, Anton  Colorado State University  
Bickle, Allan  Penn State Altoona  
Bjorkman, Beth  Iowa State University  
Blanco, Saul  Indiana University Bloomington  
Blumenthal, Adam  Iowa State University 
Sharp Bounds for Decomposing Graphs into Edges and Triangles 
Boats, Jeffery  University of Detroit, Mercy  
Bobga, Benkam  University of North Georgia  
Bok, Jan  Charles University, Prague, Czech Republic  
Brandstadt, Andreas  University of Rostock, Germany 
On Efficient Domination for some classes of Hfree bipartite graphs 
Bray, Amie  Colorado State University  
Brewer, Alejandra  Florida Southern College 
The Asymmetric Index of a Graph and Families of Asymmetric Graphs 
Breen, Jane  Iowa State University  
Brimkov, Boris  Rice University 
Injective choosability of subcubic planar graphs with girth 6 
Brown, David  Utah State University  
Budzisz, Stephanie  Oakland University  
Buehrle, Charles  Notre Dame of Maryland University  
Burcroff, Amanda  University of Michigan  
Burns, Jonathan  Ionic Security  
Bushaw, Neal  Virginia Commonwealth University  
Cameron, Alex  Vanderbilt University  
Carlson, Josh  Iowa State University  
Carrigan, Braxton  Southern Connecticut State University  
Case, Benjamin  Clemson University  
Chan, W. H.  The Education University of Hong Kong  
Che, Zhongyuan  Penn State University  
Colbourn, Charles  Arizona State University  
Chisaki, Shoko  Tokyo University of Science  
Chowdhury, Sajeeb Roy  Colorado State University  
Cohen, Marshall  Morgan State University 
Roots of Formal Power Series and New Theorems on Riordan Groups 
Collins, Karen  Wesleyan University 
Finding Balance in Ferrers Diagrams of Degree Sequences of Split Graphs 
Cortez, Joseph  Auburn University 
The Intersection Problem for Maximum Packings of Kn with 4Cycles 
Couch PJ  Lamar University  
Cream Megan  Dedar Crest College  
Culver, Eric  University of Colorado, Denver  
Curran, Stephen  University of Pittsburgh at Johnstown  
Curtis, Bryan  University of Wyoming  
D'Andrea, Joy  University of South Florida  
Davenport, Dennis  Howard University  
Davis, Killian  Clemson University  
De Jesus, Jose F.  University of Puerto Rico  
Deaett, Louiss  Quinnipiac University 
Efficient (or less inefficient) computation of the zero forcing number 
DeDeo, Michelle  University of North Florida  
Defant, Colin  Princeton University  
Dorough, Stephanie  Auburn University  
Draper, Richard  Center for Computing Sciences/IDA  
Driscoll, Keith  Clayton State University  
Dymacek, Wayne  Washington and Lee University  
Earl, Jonathan  University of Wyoming  
Ekim, Tinaz  Bogazici University  
Ellingham, Mark  Vanderbilt University  
Elliott, Bradley  Emory University  
Ellis, Brandi  University of West Georgia 
Signed magic rectangles with two filled cells in each column: Part 2 
EllisMonaghan, Jo  Saint Michael's College  
EmanyK, M.R.  University of Puerto Rico, Rio Piedras, PR 
The 5cube Cut Number Problem: A Short Proof for a Basic Lemma 
Epstein, Michael 
Florida Atlantic University 
On the Covering Number of U_{3}(q) 
Erickson, Lindsay 
Augustana University 
EdgeNim on the K_{2,n} 
Factor, Kim  Marquette University 
Split Domination Results for Tournaments with Connected Domination Graphs 
Fan, Jinping  University of Tsukuba 
Signature codes for weighted binary adder channel and multimedia fingerprinting 
Farrelly, Colleen M.  Quantopo, LLC 
Quantum Persistent KCores for Community Detection and Ranking 
Feder, Elie  Kingsborough Community CollegeCUNY  
Fehribach, Joseph  WPI  
Ferrara, Michael  University of Colorado, Denver 
Ore and Chvataltype Degree Conditions for Bootstrap Percolation from Small Sets 
Ferrero, Daniela  Texas State University  
Finbow, Art  Saint Mary's University  
Flagg, Mary  University of St. Thomas  
Flesch, Breeann  Western Oregon University  
Freyberg, Bryan  University of Minnesota Duluth 
On constant sum partitions and applications to distance magictype graphs 
Froncek, Dalibor  University of Minnesota, Duluth  
Ganguly, Soumendra  Clemson University  
Geneson, Jasse  Iowa State University  
Gershkoff, Zachary  Louisiana State University 
Characterization and Enumeration of 3Regular Permutation Graphs 
Glasser, Abraham  Rochester Institute of Technology  
Golden, Shannon  Colorado State University  
Golumbic, Martin  University of Haifa, Israel  
Gould, Ronald  Emory University  
Graber, Nathan  University of Colorado, Denver  
Graham, Fan Chung  University of California, San Diego  
Graham, Ronald  University of California, San Diego  
Grant, Jennifer  Berkeley University  
Gray, Daniel  Florida Atlantic University  
Grimaldi, Ralph  RoseHulman Institute of Technology  
Haithcock, Evan  Clemson University  
Hall, Tracy  New Vistas, LLC  
Hallas, Jamie  Western Michigan University  
Hammer, James  Cedar Crest College  
Harborth, Heiko  TU Braunschweig, Germany  
Hartnell, Bert 
Saint Mary's University 
On graphs in which every maximal induced matching is of the same size 
Heath, Emily 
University of Illinois 

Heinig, Monika 
Stevens Institute of Technology/Clyde 
Limitations on the Simultaneous Maximization of Two Vulnerability Parameters 
Hell, Pavol 
Simon Fraser University 
Bipartite analogues of comparability and cocomparability graphs 
HernandezCruz, Cesar 
National Polytechnic Institute 

Hilton, Anthony  University of Reading 
The Pseudograph and Simple Graph Threshold Number for Bounded Factorizations 
Hogben, Lislie  Iowa State University 
Extending maximum nullity and zero forcing from graphs to hypergraphs 
Holliday, Sarah  Kennesaw State University  
Hopkins, Brian  Saint Peter's University  
Hunter, Hayden  University of South Florida 
Subgraph Removal of 4Regular Graphs and Changes in Genus Range 
Hurlbert, Glenn  Virginia Commonwealth University  
Imran, Muhammad  United Arab Emirates University  
Isaak, Garth  Lehigh University  
Ivy, Samuel  United States Military Academy 
Classifying the Fine Structures of Involutions Acting on Root Systems 
Janwa, Heeralal  University of Puerto Rico, Cayey Campus, PR 
Transversal Intersection for further results on the conjecture of exceptional APN functions 
Jedlickova, Nikola  Charles University, Prague, Czech Republic  
Jeffries, Joel  Iowa State University  
JialongSun  Sacramento Waldorf School  
Johnson, Peter  Auburn University  
Johnston, Daniel  Grand Valley State University  
Joveski, Zlatko  Vanderbilt University 
On a graph class generalizing interval and permutation graphs 
Kaso, Niko  Oakland University  
Kemnitz, Arnfried  University of Braunschweig, Germany  
Kenyon, Catherine  Clemson University  
Keranen, Melissa  Michigan Technological University 
TS(v;) with cyclic 2intersecting Gray codes: v 0 or 4 (mod 12) 
Khodkar, Abdollah  University of West Georgia 
Signed magic rectangles with two filled cells in each column: Part 1 
Kikas, Lazaros  University of Detroit Mercy  
Kleinberg, Jon  Cornell University  
Kreher, Donald  Michigan Technological University  
Kritschgau, Jurgen 
Rainbow matchings of size m in graphs with total color degree at least 2 _{mn} 

Krop, Elliot  Clayton State University  
LaneHarvard, Liz  University of Central Oklahoma  
Larson, Craig  Virginia Commonwealth University;  
Laskar, Renu C.  Clemson University  
Lauter, Kristin  Microsoft Research  
Leach, David  University of West Georgia  
Lee, Jon  University of Michigan  
Lefmann, Hanno  TU Chemnitz, Germany 
Edgecolorings of hypergraphs avoiding a rainbow expanded complete graph 
Leshock, Lorinda  University of Delaware  
Lesniak, Linda  Western Michigan University  
Levit, Vadim, E.  Ariel University  
Li, Zhongshan (Jason)  Georgia State University 
Diagonalizable matrices and cycle structures of their digraphs 
Lipman, Drew  Hypergiant  Space Age Solutions  
Lockard, Shannon  Bridgewater State University  
Lopez, Oscar  Florida Atlantic University 
New Recursive techniques to construct combinatorial designs from smaller simple designs 
Lorch, John  Ball State University  
Low, Richard  San Jose State University  
Lorenzen, Kate  Iowa State University  
Lu, Linyuan  University of South Carolina  
Lutrell, Kristi  Seton Hall University  
Marr, Alison  Southwestern University  
Martin, Sydney  Stonehill College 
Minimal Tile and BondEdge Types for SelfAssembling DNA Graphs of Triangular Tiles 
Martinez,Rivera, Xavier  Auburn University 
The almostprincipal minors and aprank of symmetric matrices 
Mauro, Samantha  Stonehill College 
Minimal Tile and BondEdge Types for SelfAssembling DNA Graphs of Triangular Tiles 
McConnell, Ross  Colorado State University 
Min Orderings and the Complements of Threshold Tolerance Graphs 
McGinnis, Daniel  New College of Florida, 
Extremal Problems Related to the Cardinaltiy Redundance of Graphs 
Melekian, Chris  Oakland University  
Merz, Sarah  University of the Pacific 
A tight lower bound for the split domination number of a regular tournament 
Meyer, Seth  St. Norbert College  
Aaron Meyerowitz  Florida Atlantic University  
Meyers, Timothy  Howard University  
Micek, Piotr  Jagiellonian University  
Milans, Kevin  West Virginia University  
Miller, Jordan  Washington State University,  
Molina, Robert  Alma College  
Mukthineni, Tarun  Colorado State University  
Munaro, Andrea  West Virginia University 
Semitotal Domination: New hardness results and a polynomialtime algorithm 
Narayan, Darren  Rochester Institute of Technology 
The Asymmetric Index of a Graph and Balanced Incomplete Block Designs 
Nastas, Evangelos  Florida Atlantic University 
Circular Representations of Simple Connected Graphs & Delta Graph Minimum Semidefinite Rank 
Nemani, Serita  Georgian Court University  
Newman, N. A.  Troy University 
About Colorings of (3,3)Uniform Complete Circular Mixed Hypergraphs 
Noble, Matt  Middle Georgia State University  
O Cathain, Padraig  Worcester Polytechnic Institute  
Olejniczak, Drake  Western Michigan University  
Ou, Tingting  Johns Hopkins University 
Expected Survival Time of a Probabilistic CountingOut Game on a Line 
Owens, Andrew  Auburn University  
Pinciu, Val  Southern Connecticut State University  
Qiu, Jiangyi  University of Minnesota, Duluth  
Qiu, Ke  Brock University  
Qualls, Brittian  McNeese State University 
A Note on Bicyclic Antiautomorphisms of Mendelsohn Triple Systems 
Raza, Zahid  University of Sharjah, UAE  
Rehm, Hunter  University of Vermont  
Reid, Brooks  California State University, San Marcos 
Origins of the Southeastern International Conferences on Combinatorics, Graph Theory and Computing 
Reid, Michael  University of Central Florida  
Reinhart, Carolyn  Iowa State University  
Reiswig, Josiah  University of South Carolina 
On the kSteiner radius and kSteiner Diameter of a graph with 4<k<5 
Remshagen, Anja  University of West Georgia  
Robinette, Michelle  University of Nevada, Las Vegas 
On the Likelihood of Symmetrical Cayley Maps for Certain Abelian Groups 
Rombach, Puck  University of Vermont  
Ross, Michael  Iowa State University  
Rubalcaba, Roberto  San Diego City College  
Ruskey, Frank  University of Victoria  
Saccoman, John T.  Seton Hall University  
Salehi, Ebrahim  University of Nevada Las Vegas  
Schiermeyer, Ingo  Technische Universitat Bergakademie Freiberg, Germany  
Schmitt, John R. 
Middlebury College 
Distinct Partial Sums in Cyclic Groups 
Schulte, Alex  Iowa State University  
Schwartz, Andrew  Southeast Missouri State University  
Servatius, Brigette  Worcester Polytechnic Institute  
Servatius, Herman  Worcester Polytechnic Institute  
Shahrokhi, Farhad  University of North Texas  
Shu, Michelle  Johns Hopkins University 
Survival Probabilities of a Probabilistic CountingOut Game on a Line 
Singgih, Inne  University of South Carolina 
Subtractive Magic and Antimagic Total Labeling for Basic Families of Graphs 
Sinko, Ann  College of St. Benedict and St. John's University  
Skyers, marina  Penn State, Brandywine 
A Closer Look at the Fine Structure of the Random Walk on (0, 1) 
Soifer, Alexander  University of Colorado at Colorado Springs 
Chromatic Number of the Plane: Breakthroughs and Further Aspirations 
Stern, Michal  Academic College of TelAviv Yaffo  
Stinson, Douglas  University of Waterloo 
Blockavoiding sequencings of points in Steiner triple systems 
Su, HsinHao  Stonehill College  
Syrotiuk, Violet  Arizona State University 
Requirements on Locating Arrays in Practical Experimentation 
Szwarcfiter, Jayme  Federal Univ of Rio de Janeiro  
Tiemeyer, Michael  Georgia Southern University  
Todt, Heiko  Stonehill College 
Minimal Tile and BondEdge Types for SelfAssembling DNA Graphs of Triangular Tiles 
Trenk, Ann  Wesleyan University  
Trotter, William  Georgia Institute of Technology  
Tsunoda, Yu  Chiba University  
van der Holst  Georgia State University 
Progress on a characterization of signed graphs (G, E) with v(G, E) < 3 
Vandell, Chip  Purdue University Fort Wayne  
Wang, Zhiyu  University of South Carolina 
Colordisjoint rainbow spanning trees of edgecolored graphs 
Wass, Isaac  Iowa State University 
The Graceful Tree Conjecture and Functions with an Attractive Fixed Point 
Weiner, Michael  Penn State Altoona  
West, Douglas  Zhejiang Normal University and University of Illinois 
Cutedges and Regular Subgraphs in Odddegree Regular Graphs 
Wierman, John  Johns Hopkins University 
Site percolation threshold bounds for the 4,8_{2}) Archimedean tiling 
Williams, Trevor  Florida Atlantic University  
Wu, Sylvia  Clemson University  
Wu, T.  Northville High School  
Xie, Xiao  Johns Hopkins University 
Pure and Mixed MultiStep Strategies for Rendezvous Search on the Platonic Solids 
Xu, Rupei  The University of Texas at Dallas  
Yatauro, Michael  Penn StateBrandywine 
Stability Theorems and Degree Sequence Theorems in Graph Theory 
Young, Derek  Iowa State University 
Determining the maximum nullity and minimum rank field independence for some graphs 
Zhang, Fuzhen  Nova Southeastern University 
Enumerating extreme points of the polytopes of stochastic tensors: an optimization approach 
Abdallah, Mohamad 
American University of Kuwait 
Panconnectivity of 2Tree Generated Network 
Allred, Sarah 
Louisiana State University 
Theta Graphs are Hall tchromatic 
Alqahtani, Mohra 
Western Michigan University 
A Generalization of Line Graphs 
Alsardary, Salar 
University of Sciences, Philadelphia 
Triangle Neighborhood Graphs 
Anantapantula, S. 
Northville High School 
Matching Preclusion of Shuffle Cubes 
Anderson, Mark 
Rollins College 
Robust Graph Colorings 
Bachstein, Anna 
Clemson University 
Domination Parameters of Rooks and Bishops 
Baumbaugh, Travis 
Clemson University 
Batch Codes from ReedMuller Codes 
Barnes, Matthew 
Louisiana State University 
Immersion Intertwines of Infinite Graphs 
Beasley, LeRoy 
Utah State University 
Linear Operators on Graphs: Genus Preservers 
Barrus, Michael 
University of Rhode Island 
Towards spectral characterizations of hereditary graph classes 
Beagley, Jonathan 
Valparaiso University 
Combinatorial Problems in GPGPU 
Belkouche, Wiam 
Hassan II University 
Extremal results on tournaments and 4uniform hypergraphs 
Benferhat, S 
CRILCNRS, Artois University, France 
Adjustmentbased conditioning in OCF graphical models 
Bereg, Sergey 
University of Texas at Dallas 
Permutation Arrays and a New Block Design 
Bhutani, Kiran 
The Catholic University of America 
On FDomination in Graphs 
Bickle, Allan 
Penn StateAtloona 
Collapsible Graphs 
Bosse, Christian 
University of Central Florida 
GallaiRamsey numbers of C_{9} and C_{11} with multiple colors 
Brandt, Axel 
Davidson College 
Additive Coloring of Cycles 
Braun, Jeff 
Johns Hopkins University 
Symmetric Rendezvous on the Unit Cube 
Brewer, Alejandra 
Florida Southern College 
The Decomposition of KD+V Into K4E: A Particular Case 
Briggs, Joseph 
CarnegieMellon University 
Extremal Collections of kUniform Vectors 
Brown, David 
Utah State University 
Renyi αEntropy of Tournaments 
Bushaw, Neal 
Virginia Commonwealth University 
Automated Conjecturing and Collaborative Mathematics 
Byers, Alexis 
Western Michigan University 
On kRainbow Colorings of Graphs 
Cahan, Owen  
Carballosa, Walter  Florida International Univeristy  
Carr, Edward  North Carolina A&T State University  
Carrigan, Braxton  Southern Connecticut State University  
Chaichana, Khuanchanok  Chiang Mai University  
Choi, Jang Hun 
Hofstra University  The HadwigerNelson Problem with Two Forbidden Distances 
Choi, Sulyoung  Le Moyne College  
Chopra, Dharam  Wichita State University 
Some New Necessary Conditions for the Existence of Balanced Arrays with Applications 
Cooper, Alana  University of Tennessee 
Decompositions of Complete Multigraphs into Small Tripartite Multigraphs 
Couch, PJ  Lamar University  
Curran, Stephen  University of Pittsburgh at Johnstown  
Darr, Laura  Stonehill College  
Dinitz, Jeff  University of Vermont  
Doucette, Alexis  Stevens Institute of Technology 
Component Order Neighbor Connectivity: A Generalization of Domination Alteration Sets 
Driscoll, Keith  Clayton State University  
Dula, G  Nac Netanya, Isreal  
Ealy, Clifton  Western Michigan University  
ElZanati, Saad  Illinois State University  
Ellingham, Mark  Vanderbilt University  
Elliott, Bradley  Emory University  
EllisMonaghan, Joanna  Saint Michael's College  
Epstein, Michael  Florida Atlantic University  
Fallon, Joshua  Louisiana State University  
Feder, Elie  Kingsborough Community CollegeCUNY  
Fehribach, Joseph  WPI 
Matrices and Kirchhoff Graphs, A Rank 2, Nullity 2 Construction 
Fenstermacher, Todd  Clemson University  
Flesch, Breeann  Western Oregon University  
Froncek, Dalibor  University of Minnesota, Duluth  
Gil, Juan  Penn State, Altoona  
Glorioso, Vincent  Auburn University  EdgeRegular Graphs with λ=2 
Gopalakrishnan, K.  East Carolina University  
Guest, Kelly  University of Minnesota  
Guo, Ricky  Westview High School 
On Gracefulness of Face Splitting Graphs of Cycles Related Graphs 
Haghshenas, Sadegheh  Illinois State University  
Hammer, James  Cedar Crest College  
Harborth, Heiko  TU Braunschweig, Germany  
Hart, Ian  Western Michigan University  
Holliday, Sarah  Kennesaw State University  
Holmes, Amber  Auburn University 
Revisiting the Intersection Problem for Maximum Packings of K _{6n+4} with Triples 
Isaak, Garth  Lehigh University  
Johns, Garry  Saginaw Valley State University  
Johnson, Pete  Auburn University  
Johnston, Daniel  Grand Valley State University  
Jordan, Heather  Albion College  
Jung, JiHwan  Sungkyunkwan University  
Kaneko, Yoshihiro  Gifu University 
Stable transmission trees for mobile sink in rectangular wireless sensor network 
Kaso, Niko  Oakland University  
Keller, Ariel  Emory University 
Zero Forcing Polynomial for Cycles and SinglyChorded Cycles 
Khodkar, Abdollah  University of West Georgia  
Khosravi, Maryam  University of Kerman, Iran  
Kim, Hana  Sungkyunkwan University  
Krop, Elliot  Clayton State University  
Kruk, Serge  Oakland University  
Lange, Thomas  University of Applied Sciences Mittweida  
Langley, Larry  University of the Pacific 
Minimal Dominating Separating Sets in f1gCycle Extendable Tournaments 
Laskar, Renu  Clemson University  
Lefman, Hanno  TU Chemnitz, Germany  
Linderman, Bill  King University  
Lo, ShengPing Bill Lo  
Loeb, Sarah  College of William and Mary  
Lorch, John  Ball State University  
Low, Richard  San Jose State University  
Lubiw, Anna  University of Waterloo  
Lubiw, Anna  University of Waterloo  
Marge, Thomas  Johns Hopkins University  
Matzke, Ryan  University of Minnesota 
Finding the Maximum Size of (k; l)sumfree Sets in Finite Cyclic Groups 
McGinn, Donald  University of West Florida 
On the existence of partitioned incomplete Latin squares with five parts 
Melahouris, William  
Meyerowitz, Aaron 
Florida Atlantic University 
Generalized Derangements 
Moazzez, Babak 
Kennesaw State University 
A Polyhedral Study of Dynamic Monopolies in Graphs 
Molina, Robert  Alma College  
Moss, Gabrielle 
Percolation threshold bounds for the 2uniform (3,4,3,12;3,12^{2}) lattice 

Murphy, Kaitland  Utah State University  
Muth, Alicia  Stevens Institute of Technology 
Component Order Neighbor Connectivity: A Generalization of Domination Alteration Sets 
Myers, Timothy  Howard University 
An Elementary Construction of the Clifford Algebra Gn, and its Application to Star Graphs 
Narayan, Darren  Rochester Institute of Technology  
Noble, Matt  Middle Georgia State University  
O'Connell, Kelly  Vanderbilt University 
Hamiltonicity of 3connected, planar, K _{1;1;5}minorfree graphs 
Olejniczak, Drake  Western Michigan University  
Owens, Andrew  Auburn University 
Edge colorings of connected graphs with as many colors as possible which forbid rainbow cycles 
Perry, Katherine  University of Denver  
Petingi, Louis  College of Staten Island (CUNY) 
A Family of Graphs with Maximum Number of Spanning Trees and Most Reliable Graphs 
Pfaltz, John  University of Virginia  
Pinciu, Val  Southern Connecticut State University  
Pinero, Fernando  University of Puerto Rico at Ponce  
Putnam, Bette Catherine  Delta State University  
Qiu, Ke  Brock Uiversity 
On Forward Difference and Computing Surface Areas of Interconnect Networks 
Qualls, Brittain  McNeese State University 
Some Bicyclic Antiautomorphisms of Mendelsohn Triple Systems 
Raychaudhuri, Arundhati  College of Staten Isand (CUNY)  
Reid, Michael  University of Central Florida  
Rombach, Puck  
Saccoman, John T  Seton Hall University  
Salehi, Ebrahim  University of Las Vegas  
Schiermeyer, Ingo  Technische Universitat Bergakademie Freiberg  
Schwartz, Andrew  Southeast Missouri State University  
Sewell, Louis  The MITRE Corporation  
Shahrokhi, Farhad  University of North Texas  
Shapiro, Louis  Howard University  
Siddiqui, O.  University of Michigan 
Matching Preclusion of a Generalized Cartesian Product of Graphs 
Simsek, Yilmaz  Akdeniz University, Turkey 
Remarks on Families of Combinatorial Numbers Including Generating Functions and Their Applications 
Sinko, Anne  College of St. Benedict and St. John's University  
Soifer, Alexander  University of Colorado at Colorado Springs 
The International Mathematics Union, a servant or a ruler of the profession?

Song, ZiXia  University of Central Florida  
Sprague, Alan  Clemson University  
Srivastava, R.  National Institute of Technology Sikkim, India  
Stinson, Douglas 
University of Waterloo 
A Brief Retrospective Look at the CayleyPurser Publickey Cryptosystem, 19 Years Later 
Striker, Jessica 
North Dakota State University  Local Actions Create Global Change 
Striker, Jessica  North Dakota State University  
Su, HsinHao  Stonehill College  
Szwarcfiter, Jayme  Federal University of Rio de Janeiro  
Tenpas, Nathan  Davidson College 
Improving Bounds on the Additive Choice Number for Sparse Graphs 
Tesman, Barry  Dickinson College  
Thomas, Brent 
Utah State University 
Strong Tournaments That are not Cycle Extendable 
Tiner, Gary  Faulkner University 
On the LoeblKomlosSos Conjecture, lopsided trees, and certain caterpillars 
Traetta, Tommaso  Ryerson University  
Ullman, Daniel 
George Washington University  Differences of Bijections 
Ullman, Daniel  George Washington University 
Gems from the Problem Section of the American Mathematical Monthly 
Wehrung, Ben  Jacksonville University  
Weiner, Michael  Penn State, Altoona  
West, Elanor  Johns Hopkins University  
Yatauro, Michael  Penn StateBrandywine  
Zahn, Mingquan  Millersville University of Pennsylvania  
Zamfirescu, Carol  Ghent University, Belgiom  
Zhang, Jingmei  University of Central Florida 
GallaiRamsey numbers of C_{10} and paths of small order with multiple colors 
Zhao, Cheng  Indiana State University 
Clustering of hypergraphs using microRNA and mRNA expression data from TCGA 
Zhao, Yunfan  Johns Hopkins University 
Abudayah, Mohammad  The University of Jordan, Amman, Jordan  
Adachi, Tomoko 
Toho University 
General construction of cluttered orderings and square disk arrays 
Ahmad, Sarfraz 
COMSATS Institute of Information Technology, Lahore Pakistan 
On some topological indices and polynomials of the Zigzag Boron triangular nanotube BNT[p, q] 
Ahmad, Uzma  University of the Pujab,Lahore, Pakistan  
Akelbek, Mahmud  Weber State University  
Aleid, Sahar  University of Almeria, Spain 
Independent [1,2]number versus independent domination number 
Alhulwah, Khawlah  Western Michigan University  
Alomari, Omar  The University of Jordan, Amman, Jordan  
Anderson, Mark  Rollins College  
Angeleska, Angela  University of Tampa  
Arman, Andrii  University of Manitoba  
Arora, A.  Novi High School  
Asayama, Yoshihiro  Yokohama National University  
Asplund, John  Dalton State College  
Bahmanian, Amin  Illinois State University  
Bailey, Sean  University of Southern Maine  
Balof, Barry  Whitman College  
Bandpey, Zeinab  Morgan State University 
Jonathan Farley's Mathematical Terror Theory: The Structure of Perfect Ter rorist Cells with a Single Leader 
Banaian, Esther  University of Minnesota  
Bapat, Mukund  University of Mumbai, India 
Some Vertex Prime Graph Families And A New Labeling Of Graphs 
Barnes, Matt  Louisiana State University  
Barrus, Michael  University of Rhode Island  
Bass, Rachel  Georgia Southern University 
Functions of degrees and distances as graph invariants in trees 
Battinelli, Catello  Stonehill College 
Weighted DistanceTwo EdgeBalance Index Sets of Star Graphs 
Baumbaugh, Travis  Clemson University  
Beeler, Robert  East Tennessee State University  
Beilke, Julia  Marquette University  
Benedetti, Bruno  University of Miami  
Betten, Anton  Colorado State University  
Beyerl, Jeffrey  University of Central Arkansas  
Bhutani, Kiran  The Catholic University of America 
A Study of Domination Related Parameters in Graphs and their Applications 
Bi, Zhenming  Western Michigan University  
Birmajer, Daniel  Nazareth College of Rochester  
Boats, Jeffe  University of Detroit Mercy 
Expected Value for Routable Disjoint Paths Given Random Terminal Selections 
Boehme, Thomas 
Technische Universitaet Ilmenau, Germany  Geometric Representation of Graphs and Crossing Numbers 
Bona, Miklos 
University of Florida  An overview of pattern avoiding permutations Something old, something new 
Bona, Miklos  University of Florida  
Bowie, Miranda  University of North Alabama  
Brandt, Axel  Davidson College  
Brown, David  Utah State University  
Brown, Jason  Dalhousie University  
Byers, Alexis  Western Michigan University  
Carrigan, Braxton  Southern CT State University 
Minimizing Positive Integer Sequences without Duplicate Substrings 
Case, Benjamin  Clemson University  
Chan, Wai Hong  The Education University of Hong Kong  
Chi, Henjin  Indiana State University  
Chopra, Dharam  Wichita State University  
Collins, Karen  Wesleyan College 
Counting split graphs, bipartite posets and adjacency matrices 
Copenhaver, Keith  University of Florida 
k protected and balanced vertices in unlabeled rooted plane trees 
Couch, P. J.  Lamar University  
Cui, Guangqi  Montgomery Blair High School  
Curran, Stephen  University of Pittsburgh at Johnstown 
Enumerating Hamiltonian Paths in Cayley Digraphs on the Semidirect Product of Cyclic Groups 
D'Andrea, Joy  University of South Florida 
Connected Fundamental Transversals and Fundamental Transversal Domains 
Davenport, Dennis  Howard University  
Davoudi, Anahitta  University of Central Florida  
De Jesus, Jose  University of Puerto Rico  
Defant, Colin  University of Florida  
Defant, Colin  University of Florida  
Delgado, Moises  University of Puerto Rico, Rio Piedras 
Extensions of some Results on the Conjecture on Exceptional APN

Desmarais, Colin  University of Manitoba 
Constructions of hypergraphs free of certain 3uniform 3partite hypergraphs 
Devereaux, Stephen  Cornerstone University  
Dod, Markus  IVM Institut fur Vernetzte Mobilitat gGmbH  
Driscoll, Keith  Clayton State University  
Dubczuk, Toni  Illinois State University 
The xfold spectra of several multigraphs on 4 vertices with 6 edges and edge multiplicity at most 2 
ElZanati, Saad  Illinois State University  
Engen, Michael  University of Florida  
Epstein, Michael  Florida Atlantic University  
Factor, Kim  Marquette University  
Fallon, Joshua  Louisiana State University 
A family of 2crossingcritical graphs on the projective plane 
Feder, Elie  Kingsborough Community CollegeCUNY  
Fenstermacher, Todd  Clemson University  
Florkowski, Stanley  Lehigh University  
Fonseca, Carlos  Kuwait University, Kuwait 
New structural properties of trees with minimal atombond connectivity index 
Fowler, Patrick  University of Sheffield, UK  
Fraboni, Michael  Moravian College  
Freyberg, Bryan  Michigan Technological University  
Froncek, Dalibor  University of Minnesota Duluth  
Gaither, Jeffrey  The Ohio State University  
Gezek, Mustafa  Michigan Technological University  
Gibson, Meghann Moriah  Georgia Southern University  
Gil, Juan  Penn State, Altoona  
Gismondi, Steve J.  University of Guelph 
Using Matching to Detect Infeasibility of Some Integer Programs 
Godbole, Anant  East Tennessee State University  
Grimaldi, Ralph  RoseHulman Institute of Technology  
Gutierrez, Seth  Georgia Southern University  
Hammer, James  Cedar Crest College 
Embedding Complete Multipartite Graphs into Smallest Dimension 
Harborth, Heiko  TU Braunschweig, Germany  
Hart, Ian  Western Michigan University  
Hartnell, B.  Saint Mary's University, Canada  
Haynes, Teresa  East Tennessee State University 
Research Accomplishments of Prof. Peter J. Slater: A Tribute to Our Colleague and Dear Friend 
Hedetniemi, Stephen  Clemson University 
Research Accomplishments of Prof. Peter J. Slater: A Tribute to Our Colleague and Dear Friend 
Heinig, Monika  Mount Sinai Health Systems  
Heissan, A. M.  Manhattanville College  
Heubach, Silvia  California State University Los Angeles  
Hlavacek, Jan  Saginaw Valley State University 
The Signal Detection Problem: Closed Modular Colorings on Grid Graphs 
Holliday, Sarah  Kennesaw State University  
Holmes, Amber  Auburn University  
Homberger, Cheyne  University of Maryland  
Honecker, Molly  Florida Gulf Coast University  
Hopkins, Brian  Saint Peter's University  
Horton, Steve  West Point  
Huszar, Alana  University of Michigan  
Irabor, Kehinde  Marquette University 
Change in the Dynamics of a Weighted Digraph via Eigenvalues 
Isaak, Garth  Lehigh University  
Janwa, Heeralal  University of Puerto Rico, Rio Piedras  
Jeffries, Joel  Tarkio High School  
Johnson, Peter  Auburn University  
Kaneko, Yoshihiro  Gifu University 
Stable transmission trees on moving sinksof wireless sensor network 
Karaoglu, Fatma  University of Sussex  
Kawasaki, Yuichiro  Yokohama National University  
Kawatani, Gen  Yokohama National University  
Keller, Ariel  Emory University  
Kemnitz, Arnfried  Techn. Univ. Braunschweig, Germany  
Khodkar, Abdollah  University of West Georgia 
Signed edge domination numbers of complete tripartite graphs: Part Two 
Kirkpatrick, Julie  University of Northern Iowa 
The xfold spectra of several multigraphs on 4 vertices with 6 edges and edge

Kischnick, Sara  University of Applied Sciences Mittweida  
Knoll, Fiona  Clemson University  
Kreher, Donald  Michigan Technological University  
Krop, Elliot  Clayton State University 
Vizing's conjecture: a twothirds bound for clawfree graphs 
Kruk, Serge  Oakland University  
Krzywkowski, Marcin  University of Johannesburg, South Africa 
A characterization of trees with equal 2domination and 2independence nembers 
Laaksonen, Antti  Aalto University, Finland  
Lange, Thomas  University of Applied Sciences Mittweida  
Lanning, Charles  Georgia Southern University  
Laskar, Renu  Clemson University  
Lefmann, Hanno  Fakultaet fuer Informatik, TU Chemnitz, Germany 
Edge Colorings of Hypergraphs Without A Fixed Rainbow Colored Subhyper

Lichter, Tamar  Queens CollegeCUNY  
Lipman, Drew  Clemson University  
Lipman, Mark J.  Indiana UniversityPurdue University Fort Wayne  
Low, Richard  San Jose State University 
The Integermagic Spectra of the Cartesian Product of Two Trees 
Lu, Xiaoyun  US Census Bureau  
Lundberg, Erik  Florida Atlantic University  
Magnant, Colton  Georgia Southern University 
GallaiRamsey numbers for finding a rainbow triangle or some small monochro matic subgraphs 
Mahmoodian, E. S.  Sharif University of Technology, Tehran  
Malloulil, Fatma  University of Sfax, Tunisia 
Iris Segmentation Based on EM Mixture of Gaussian Distribution 
Marshall, Candice  Morgan State University  
Matzke, Ryan  University of Minnesota 
Looking for the sumfreedom: The Maximum Size of (k, l)sumfree Sets 
McGinn, Donald  University of West Florida 
On completing partial Latin squares with two filled rows and at 
McKeown,James  University of Miami  
Meerscheidt, Kyle  University of Houston  
Merz, Sarah  University of the Pacific  
Milans, Kevin  West Virginia University  
Milz, Sebastian  RWTH Aachen University  
Moghadam, Hosien Said  University of Wisconsin, Osk Kosh  
Morra, Todd  Clemson University  
Moazzez, Babak  Kennesaw State University  
Murphy, Kyle  East Tennessee State University  
Myrvold, Wendy  University of Victoria  
Myrvold, Wendy  University of Victoria  
Nakamoto, Atsuhiro 
Yokohama National University 
Rhombus tiling of evensided polygons and quardangulations on the projective plane 
Narayan, Darren  Rochester Institute of Technology 
Towards a Characterization of Graphs with Distinct Betweenness Centralities 
Noble, Matt  Middle Georgia State University  
Olejniczak, Drake  Western Michigan University  
Owens, Andrew  Auburn University  
Pantazi, Stefan  Conestoga College Institute of Technology and Advanced Learning, Ontario, Cananda  
Peres, Yuval  Microsoft Reserach  
Peres, Yuval  Microsoft Reserach 
Random walks and typical distances in Ramanujan graphs, and the overhang problem 
Perry, Katherine  Auburn University  
Perry, Sean  Florida Atlantic University  
Pimpasalee, Wannapol  Khon Kaen University  
Pinciu, Val  Southern Connecticut State University  
Pinero, Fernando  University of Puerto Rico  Ponce  
Porta, Gaspar  Washburn University 
Vizingtype bounds for graphs with forbidden induced subgraphs 
Powers, Kelly  Stonehill College  
Qui, K.  Brock University  
Reid, Michael  University of Central Florida  
Roberts, Dan  Illinois Wesleyan University 
On cyclic decompositions of complete digraphs into antidirected cycles 
Robinson, Grant  California State University, L.A.  
Rubalcaba, Rob  San Diego City College  
Saccoman, John  Seton Hall University  
Sawada, Joe  University of Guelph, Canada  
Scheidweiler, Robert  FH Aachen University of Applied Sciences 
On Functions Inducing Proper Vertex Colorings Via Edge Weightings 
Schiermeyer, Ingo  Technische Universitat Bergakademie Freiberg, Germany  
Schroder, Bernd S.W.  The University of Southern Mississippi  
Scott, Paul Aaron  Georgia Southern University  
Shahrokhi, Farhad  University of North Texas  
Sharpe, Cameron  University of Central Arkansas  
Shull, Warren  Emory University  
Sickman, Amy  Illinois State University 
The xfold spectra of several multigraphs on 4 vertices with 6 edges and edge multiplicity at most 2 
Siddiqui, O.  Detroit Country Day School  
Sinko, Anne  College of St. Benedict and St. John's University 
Maximal and minimal chains of graph and hypergraph parameters 
Sittitrai, Pongpat  Khon Kaen University 
Planer graphs without cycle of length 4 or 5 are (3, 5)colorable 
Smith, Brett  Yale University  
Soifer, Alexander  University of Colorado, Colorado Springs  
Spiro, Sam  University of Miami  
Stinson, Douglas  University of Waterloo 
Optimal algebraic manipulation detection codes and difference families 
Stucky, Eric  University of Minnesota  
Su, HsinHao  Stonehill College  
Suffel, Charles  Stevens Institute of Technology  
Sullivan, Shaun  Florida Gulf Coast University  
Szaniszlo, Zsuzsanna  Valparaiso University  
Taniguchi, Hiroaki  National Institute of Technology, Kagawa College  
Tanny, Stephen  University of Toronto  
Thas, Jef  University of Gent, Belgium 
Arcs, Caps and Codes: Old Results, New Results, Generalizations 
Thomas, Brent  University of Colorado, Denver  
Todt, Heiko  Stonehill College 
On EdgeBalance Index Sets of LProduct of Cycles and Stars Connected by

Traetta, Tommaso  Ryerson University  
Trenk, Anne  Wellesley College  
Tsaturian, Sergei  University of Manitoba  
Vaidya, Sanju  Mercy College, New York 
Computation of Graph Vulnerability Measures and Topological Indices 
van Trung, Tran  University of DuisburgEssen 
Simple tdesigns: recursive construction methods for arbitrary t 
Vanloo, Gerard  Morehouse College  
Vatter, Vincent  University of Florida 
Growth rates of permutations classes: from countable to uncountable 
Wallace, Steven  Middle Georgia State University  
Wang, Hua  Georgia Southern University  
Wang, Ping  St. Francis Xavier University, Antigonish, Nova Scotia, Canada 
Using Bipartite Networks to Construct Personal Recommendation Systems 
Weiner, Michael  Penn State, Altoona  
Westlund, Erik  Kennesaw State University  
Wierman, John  Johns Hopkins University 
Strict inequalities between bond percolation thresholds of Archimedean lattices 
Williams, Trevor  Utah State University  
Woods, Angel  Georgia Southern University  
Yatauro, Michael  Penn State  Brandywine  
Young, Matthew  Stonehill College 
Weighted DistanceTwo EdgeBalance Index Sets of Cycle Graphs 
Zahedi, Emad  Michigan State University 
An Evolutionary Framework for Analyzing the Distance Preserving Property of Weighted Graphs 
Zhang, Taoye  Penn State University  
Zhou, Ju  Kutztown University 
AbayAsmerom, Ghidewon  Virginia Commonwealth University 
Spectral Features of Graphs Associated with the Geez Writing System 
Abreu, Marien  Universit`a degli Studi della Basilicata  
Adachi, Tomoko  Toho University 
Some construction of cluttered orderings for the complete bipartite graph 
Ahmad, Uzma 
University of the Punjab,
New Campus, Lahore, Pakistan 
On Automorphism Group Action and topological indices for Certain Families of Dendrimers 
Arangno, Deborah  LenoirRhyne University  
Bailey, Sean  Utah State University  
Barnett, Johnathan  Auburn University  
Bartha, Miklos  Memorial University of Newfoundland  
Beasley, LeRoy  Utah State University  
Benjamin, Arthur  Harvey Mudd College 
Tiling with Fibonomials, qbinomials, and Chebyshev polynomials 
Benjamin, Arthur  Harvey Mudd College  
Betten, Anton  Colorado State University  
Bickle, Allan  Grand Valley State University  
Birmajer, Daniel  Nazareth College of Rochester  
Blackburn, Simon  Royal Holloway University of London  
Blackburn, Simon  Royal Holloway University of London  
Bode, JensP  TU Braunschweig  
Bozeman, Chassidy  Iowa State University  
Brown, David  Utah State University  
Buelow, Zac  Marquette University  
Burns, Jonathan  University of South Florida  
Butler, Steve  Iowa State University  
Caliskan, Cafer  Kadir Has University, Istanbul  
Chan, Wai Hong  H.Y. Lau, The Hong Kong Institute of Education  
Cheng, Eddie  Oakland University 
Matching preclusion and conditional matching preclusion problems for the folded Petersen cube 
Chi, Henjin  Indiana State University  
Chia, Davin  Middlebury College  
Chopra, Dharam  Wichita State University 
Further Contributions to Factorial Designs of Resolution Ten and Balanced Arrays of Strength Nine 
Christman, Ananya  Middlebury College  
Churchill, Gregory  University of South Florida  
Conceicao, Ricardo  Gettysburg College  
Couch, PJ  Lamar University 
The Metamorphosis of 2fold Triple Systems into Maximum Packings of 2Kn with 
Cream, Megan  Spelman College  
Curran, Stephen  University of Pittsburgh at Johnstown  
Dankelmann, Peter  University of Johannesburg  
Davoudi, Anahita  University of Central Florida  
Driscoll, Keith  Clayton State University  
Droz, Daniel  Penn State University  
Dufour, Matthieu  University of Quebec at Montreal  
Durbin, Alexander  Michigan State University  
Dyer, Danny  Memorial University of Newfoundland  
Dymacek, Wayne  Washington and Lee University  
Early, Edward  Mathworks at Texas State University  
Effinger, Gove  Skidmore College 
The Polynomial Euclidean Algorithm and the Linear Equation AX + BY = gcd(A, B) 
Ellingham, Mark  Vanderbilt University  
Erickson, Lindsay  Augustana University  
Fallon, Joshua  Louisiana State University  
Faria, Luerbio  Universidade do Estado do Rio de Janeiro, Brasil  
Fenstermacher, Todd  Clemson University  
Fernando, Neranga  Northeastern University  
Ferrara, Michael  University of Colorado Denver  
Ferrero, Daniela  Texas State University  
Folts, Edward, III  California State University, San Bernardino  
Froncek, Dalibor  University of Minnesota, Duluth  
Fry, Andy  Colorado State University  
Fuller, Jessica  Emory University  
Gil, Juan  Penn State University, Altoona  
GomezCalderon, Javier  Penn State University  
Gould, Ronald  Emory University  
Grez, Armando  Iowa State University 
New Upper Bounds on the Distance Domination Numbers of Grids 
Grimaldi, Ralph  RoseHulman Institute of Technology  
Gronau, HansDietrich O.F.  University of Rostock, German  
Hammer, James  Cedar Crest College  
Harborth, Heiko  TU Brauschweig, Germany  
Haxell, Penny  University of Waterloo  
Haxell, Penny  University of Waterloo  
Haymaker, Katie  Villanova University 
Sums of subsets of GF(2r) and applications to the qary partial erasure channel 
He, Qijun  Clemson University  
Heissan, A. M.  Manhattenville College 
An extension of Beineke to the Prototype Representation P(3, 1) 
Heinig, Monika  Stevens Institute of Technology 
On Reliability Models Associated with the Edge Domination Number for Unicycles 
Heubach, Silvia  California State University, Los Angeles  
Heysse, Kristin  Iowa State University 
Cospectral Graphs for the Normalized Laplacian by “Toggling” 
Hogben, Leslie  Iowa State University  
Hogben, Leslie  Iowa State University 
Generalizations of the Strong Arnold Property and the Inverse Eigenvalue Problem of a Graph 
Holliday, Sarah  Kennesaw State University  
Hook, Jonelle  Mount St. Mary’s University  
Hossain, Gahangir  Texas A&M UniversityKingsville 
Cognitive Resource Allocation Graph (CRAG): A Graph Representation of Human Cognitive Resources 
Hosseini, Ehsanallah  Bharati Vidyapeeth University  
Hui, Alice M. W.  University of KwaZuluNatal  
Hurley, Michael  Florida Atlantic University  
Isaak, Garth  Lehigh University  
Isaak, Garth  Lehigh University  
Janwa, Heeralal  UPRCayey, UPRRio Piedras, Puerto Rico 
Some New Results on the Conjecture on APN Functions and Absolutely Irreducible Polynomials 
Johnson, Peter  Auburn University  
Joshi, Rucha  Westwood High School, Austin Texas 
Complexity of Finding Maximum Region Disjoint Paths in a Directed Graph 
Kahl, Nathan  Seton Hall University  
Katz, Daniel  California State University Northridge 
A New Generating Function for Counting Zeroes of Polynomials 
Kawasaki, Yuki  Yokohama National University 
Nflips and chromatic number in even triangulations on the projective plane 
Kawatani, Gen  Yokohama National University  
Kelley, Christine  University of Nebraska, Lincoln  
Kelm, J.  Oakland University  
Kemnitz, Arnfried  University of Braunschweig, Germany  
Kirkpatrick, Pamela  Lehigh University  
Kischnick, Sara  University of Applied Sciences Mittweida  
Knoll, Fiona  Clemson University  
Krizan, Christopher  Auburn University  
Kruk, Serge  Oakland University 
A Stock Analysis Turns LeastSquares Turns Maximum Cut of a Graph 
Labbate, Domenico  Universit`a degli Studi della Basilicata  
Laffey, Tom  University College Dublin, Ireland 
On the Structure of Nonnegative Matrices with a Given Spectrum 
Langley, Larry  University of the Pacific 
Mixed Unit Interval Graphs, 50% Tolerance Graphs, and Boolean Endpoints 
Larsen, Victor  Kennesaw State University  
Laskar, Renu  Clemson University  
Leach, David  The University of West Georgia  
Lefmann, Hanno  TU Chemnitz, Germany  
Leiss, Ernst  University of Houston 
Parallel Moves in Hanoi Games on Graphs: Every Parallel Hanoi Graph is a Sequential Hanoi Graph 
Lichter, Tamar  Queens College  CUNY  
Lidicky, Bernard  Iowa State University  
Lin, Jephian  Iowa State University 
Odd cycle zero forcing parameters and the minimum rank problem 
Lipman, Drew  Clemson University  
Lipman, Marc  Indiana UniversityPurdue University Fort Wayne  
Lorch, John  Ball State University  
Low, Richard  San Jose State University  
Lueder, Tanya  Louisiana Tech University 
A Characterization of Simple, K4 Free Near OuterPlanar Graphs 
Ma, Jianmin  Colorado State University 
The Distance Signatures of the Incidence Graphs of Affine Resolvable Designs 
Machuca, Joanna  California State University, San Bernardino  
Maity, Soumen  Indian Institute of Science Education and Research, Pune, India  
MartinezRivera, Xavier  Iowa State University  
Masuda, Ariana  New York City College of Technology  
Matsumoto, Naoki  Seikei University  
McAdams, Stacey  Louisiana Tech University  
McGinn, Donald  University of West Florida  
McGuire, Trevor  North Dakota State University  
Mendoza, Augustin  California State University, San Bernardino  
Merz, Sarah  The University of the Pacific  
Miranda, Lohans  Federal University of Piaui 
Permutations as solutions of linear Diophantine equations and magic squares 
Moghadam, Hosien  University of Wisconsin, Oshkosh  
Monfared, Keivan  University of Calgary 
Permanent ranks of matrices and generalized cycles of graphs 
Moss, Kevin  Iowa State University  
Mullen, Gary  Penn State University 
Some Open Problems Related to Finite Fields and Their Applications 
Nevo, Aori  Stevens Institute of Technology 
Vertex degree condition for a 1binding graph to contain a 1factor 
Novick, Beth  Clemson University  
O'Connell, Kelly  Vanderbilt University  
Opatrny, Jaroslav  Concordia University, Montreal  
Orozco, Edusmildo  University of Puerto Rico at Rio Piedras 
On the solution of J ^{x} _{α} = J ^{y} _{β} and reduced linear modular systems 
OrtizUbarri, Jose  University of Puerto Rico  
Pacheco, Natalia  Univesity of Puerto Rico, Rio Piedras 
Explicit Formulas for Monomial Involutions Over Finite Fields 
Perry, Katherine  Auburn University  
Pinciu, Val  Southern Connecticut State University  
Pohlmann, Brett  Californai State University, Maritime Academy  
Pralat, Pawel  Ryerson University  
Reid, Michael  University of Central Florida  
Roberts, Charles  Indiana State University  
Ross, Dennis  Michigan State University  
Rubio, Ivelisse  University of Puerto Rico, Rio Piedras  
Rucinski, Andrzej  Adam Mickiewicz University and Emory University 
Refined Turan numbers and Ramsey numbers for the loose 3uniform path of length three 
Ryan, Kathleen  DeSales University  
Saccoman, John  Seton Hall University 
A Spanning Tree Increasing Surgery for Proper Threshold Graphs 
Salaam, Lifoma 
Howard University 
NonCrossing Partitions in Binary, Ordered and Motzkin Trees 
Schiermeyer, Ingo 
Technische Universitat Bergakademie Freiberg, Germany 

Schluchter, Steven  George Mason University 
Prime Labelings of Generalized Petersen Graphs and Large Cubic Bipartite Graphs 
Schulte, Alex  Iowa State University 
Unitary AntiVan der Waerden Number of Arithmetic Progressions 
Schultz, Kristian  University Rostock  
Sears, Lewis  Washington and Lee University  
Shahrokhi, Farhad  University of North Texas  
Sharma, U.  Rochester High School  
Simmons, Gustavus  
Smith, Stephen  University of Memphis  
Snider, Lauren  McNeese State University 
Some Bicyclic Antiautomorphisms of Mendelsohn Triple Systems 
Soifer, Alexander  University of Colorado, Colorado Springs 
The Scholar and the State: From the Third Reich to Today in Fool’s Gold of Silence 
Stevens, Gary  Hartwick College  
Stromberg, Johanna  Vanderbilt University  
Suffel, Charles  Stevens Institute of Technology 
On Reliability Models Associated with the Edge Domination Number for Trees 
Sun, Alex Jialong  Sacremento Waldorf School 
2steps Hamiltonian graphs Of Line Graphs Of Open Trees of Cycles 
Szwarcfiter, Jayme Luiz  Federal University of Rio de Janeiro, Brazil  
Tanny, Stephen  University of Toronto 
NonMonotonic Solutions to Nested Recursions: A Combinatorial Approach 
TapiaRecillas, H.  Dpto. de Mathematicas, Univ. Autonoma MetropolitanaI, Mexico D.F. 
A secret sharing scheme based on the polynomial ring over a finite field 
Thomas, Brent  University of Colorado, Denver  
Tiner, Gary  Faulkner University 
On the ErdosSos Conjecture for graphs with diameter at most k + 2 
Traetta, Tommaso  Ryerson University  
Tzanakis, Georgios  Carleton University  
Vaidya, Sanju  Mercy College  
Valera, Leobardo  University of Texas, El Paso  
Vandell, Chip  Indiana University  Purdue University Fort Wayne 
Decycling Toeplitz Graphs, Some Subgraphs, and Generalized Petersen Graphs 
Villalpando, John  California Lutheran University 
Trees for Given Values of the Span, Caps and Icaps for L(2, 1)Colorings 
Vince, Andrew  University of Florida  
Voigt, Margit  University of Applied Sciences Dresden  
Wang, Qiang  Carleton University  
Wang, Shaohui  The University of Mississippi 
On the Ratio of Domination and Independent Domination Number 
Ward, Jackson  Illinois State University 
Spectrum problem for multigraph designs on four vertices and eight edges 
Wehrung, Ben  Jacksonville University  
Wei, Ruizhong  Lakehead University 
Pandiagonal Multimagic Squares Based on Large Sets of Orthogonal Arrays 
Weiner, Michael  Penn State, Altoona 
From Dyck Paths Colored by Connected Matchings to Standard Young Tableau 
Wierman, John  John Hopkins University 
Rigorous bounds relating bond percolation thresholds of two threedimensional lattices 
Williams, Ryn  Colorado State University  
Yahyaei, Laleh  S. P. Pune University  
Yatauro, Robert  Penn StateBrandywine  
Yonekura, Shinichi  Yokohama National University  
Young, Derek  Iowa State University 
Lower Bounds for the Exponential Domination Number of Cm × Cn 
Yu, Gaoran  John Hopkins University 
Exact Enumeration of SelfAvoiding Walks on Nonvertextransitive Lattices 
Yu, Gexin  College of William and Mary  
Yu, Xingxing 
Georgia Institute of Technology 