Combinatorics Seminar | Seminars | University of Mississippi
 

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2025

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Intersecting Families of Spanning Trees, Nathan Lindzey

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Delta-modular matroids, Zachary Walsh

2024

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Vertex Contraction-Deletion Minors, Sarah Allred

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A general theorem in spectral extremal graph theory, Dheer Noal Desai

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On the non-existence of some Moore Cayley digraphs, Alexander Gavrilyuk

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An Ore-type condition for hamiltonicity in tough graphs and the extremal examples, Songling Shan

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Paradoxical Decompositions and Colouring Rules, Robert Simon

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Loose elements and paving matroids, Jagdeep Singh

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Phase transitions in isoperimetric problems, Chris Wells

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Chords of longest cycles passing through a specified small set, Shunzhe Zhang

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The Strong Edge-Coloring of Graphs, Xiangqian Zhou

2023

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On the coequal values of total chromatic number and chromatic index, Guantao Chen

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Neumaier graphs, Maarten De Boeck

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The Independent Bondage Number of Planar Graphs with Degree Conditions and Girth Conditions, Kanchana Gamladdalage

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Some generalizations of the class of spikes, Kevin Grace

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Chromatic Number and Independence Number of Cayley Graphs on Abelian Groups, John Griesmer

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Hereditary Nordhaus-Gaddum graphs, Vaidyanathan Sivaraman

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Saturation Numbers of Double Stars, Lei Zhong

2019

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The Goldberg-Seymour Conjecture, Guantao Chen

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Forbidden induced subgraphs for threshold-like graph classes, Vaidyanathan Sivaraman

2018

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Multicolor Gallai-Ramsey Numbers of Cycles and Paths, Zixia Song

2017

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Quasi-surfaces: Chromatic Numbers and Euler’s Formula, Jinko Kanno

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New Results on the Integral Sum Graphs, Haiying Wang

2016

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Quadrilateral embeddings of cartesian product graphs, Mark Ellingham

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A Zero-Sum Conjecture of Hamidoune, David Grynkiewicz

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On the signless Laplacian eigenvalues related to independence number of graphs, Huiqing Liu

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r-hued chromatic number of P_t-free graphs, Xuezheng Lv

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The chain theorem of 4-connected graphs, Chengfu Qin

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Some Extremal Problems of Graphs and Hypergraphs, Yongtang Shi

2015

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Subtending many angles with few points, Paul Balister

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Automorphism groups of codes, Ted Dobson

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On Chorded Cycles, Ron Gould

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Eigenvalues and Spanning Tree Packing of Graphs, Hong-Jian Lai

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Additive bases in groups, Thai Hoang Le

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Fractional matchings of graphs, Suil O

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Clones in Matroids, James Reid

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Moore Graphs of Diameter two: The Homan-Singleton Problem, William Staton

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On Reliable Broadcast in Low Duty-Cycle Wireless Sensor Networks, Feng Wang

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Unimodal f-vectors and h-vectors of trees, Russ Woodroofe

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Fractional Chromatic Number of Random Subgraphs, Hehui Wu

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Hamiltonian-Connected Line Graphs with Given Degree Sums, Aimei Yu

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Thickness and outerthickness of graphs embedded in surfaces, Xiaoya Zha

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Fundamental Graphs for Binary Matroids, Xiangqian Zhou

2014

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The Robber Locating Game, Richard Johnson

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On a conjecture of Leader and Radcliffe related to the Littlewood-Offord problem, Tomas Juskevicius

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Digraph Coloring and Forbidden Cycle, Jie Ma

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Some analytic methods for hypergraphs, Vladimir Nikiforov

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The Matroids Without a Small Minor, James Reid

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Combinatorial search and separating families, Dominik Vu

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Characterizing 3-connected binary matroids with no P9-minor, Haidong Wu

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Triangle-free subgraph with high fractional chromatic number, Hehui Wu

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Decomposing cubic graphs with low genus, Dong Ye

2013

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On Excluded and Unavoidable Minors in Graphs, Stan Dziobiak

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Hamiltonian cycles through a given edge of more than 1-tough chordal planar graphs, John Estes

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Genus and Other Graph Invariants, Jinko Kanno

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Amalgamations and Hamilton Decompositions, Chris Rodger

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Math at the National Institute of Standards and Technology, James Shook

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k-Trees, k-Frames, Shells and Independence Polynomials, William Staton

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Multiplicative Zagreb indices of k-trees, Shaohui Wang

2012

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On Regular and Binary Matroids Without Small Minors, Kayla Davis Harville

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Complete tripartite graphs and their competition numbers, Jaromy Kuhl

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Degree sum condition for k-ordered hamiltonian connected graphs, Emlee Nicholson

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Well-covered k-trees, k-frames, and unique colorability, Wanda Payne

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Longest Cycles in Graphs with Given Independence Number and Connectivity, Hehui Wu

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Nearly Tight Linear Programming Bounds for Demand Matching in Bipartite Graphs, Hehui Wu

2011

How Many Holes Can an Unbordered Partial Word Contain?, Cameron Byrum

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3-Connected Graph of Path-Width at Most Three, Stan Dziobiak

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Using Mathematica for Graph Theoretical Computations, Stan Dziobiak

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Linked Graph with Modular Constraints, Zhiquan Hu

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On a class of matroid designs, James Reid

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Affiliation Networks, James Shook

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On Finding a Minimum Toughness Condition for a k-Tree to be Hamiltonian, James Shook

2010

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Long Cycles in 3-Connected Graphs with Bounded Degrees, Guantao Chen

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On triangle-free 3-connected matroids, Manoel Lemos

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Some results on path-factors in graphs, Xiaojuan Li

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Lower Bounds of Edge Critical Graphs, Xuechao Li

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Domination and Independent Domination in Graphs, Bruce Priddy

2009

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On compact edge-colorings : a polynomial time reduction from k-linear to k-cyclic, Sivan Altinakar

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A chain theorem for internally 4-connected matroids, Carolyn Chun

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Deletion-Contraction Polynomials, Deborah Chun

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Cycles and subsets of vertices in graphs, Hao Li

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On minimally k-connected matroids, James Reid

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A Comparison of Zero Divisor Graphs, Sandra Spiroff

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On the shell of some graphs, William Staton

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Clones in representable matroids over a finite field, Xiangqian Zhou

2008

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On Circuit Sizes of Binary Matroids, James Reid

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A characterization of the Centers of Chordal Graphs, James Shook

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Signed Graphs and Their Matroids, Xianqian Zhou

2007

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Non-separating co-circuits in 3-connected binary matroids, Haidong Wu

2005

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Decoding of Huffman codes with self-synchronization strings, Lei Cao

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Every 6-connected line graph is hamiltonian, Hongjian Lai

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Clones in Representable Matroids, James Reid

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Recent Results on Clones in Matroids, James Reid

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Ramsey Unsaturated and Saturated Graphs, R. H. Schelp

2004

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Plane Graphs with Positive Curvature, Guantao Chen

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Triads in 3-connected Matroids, Manoel Lemos

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Recent Results and Problems in General Randic Index, Xueliang Li

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Trees with Maximum General Randic Index, Xueliang Li

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An Introduction to Cycle Double Cover Conjecture, Klas Markström

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The Cycle Double Cover Conjecture II, Klas Markström