Volume 26, Issue 1 (2019)

On a Positivity Conjecture in the Character Table of $S_n$

Sheila Sundaram

P1.1
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Latin Cubes with Forbidden Entries

Carl Johan Casselgren, Klas Markström, Lan Anh Pham

P1.2
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On the Alon-Tarsi Number and Chromatic-Choosability of Cartesian Products of Graphs

Hemanshu Kaul, Jeffrey A. Mudrock

P1.3
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Rainbow Matchings in Properly-Colored Hypergraphs

Hao Huang, Tong Li, Guanghui Wang

P1.4
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Chromatic-Choosability of Hypergraphs with High Chromatic Number

Wei Wang, Jianguo Qian

P1.5
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Staircases to Analytic Sum-Sides for Many New Integer Partition Identities of Rogers-Ramanujan Type

Shashank Kanade, Matthew C. Russell

P1.6
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On Cartesian Products which Determine Few Distinct Distances

Cosmin Pohoata

P1.7
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More Turán-Type Theorems for Triangles in Convex Point Sets

Boris Aronov, Vida Dujmović, Pat Morin, Aurélien Ooms, Luı́s Fernando Schultz Xavier da Silveira

P1.8
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On the Generalized Spectral Characterizations of Eulerian Graphs

Lihong Qiu, Yizhe Ji, Wei Wang

P1.9
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A Cornucopia of Quasi-Yamanouchi Tableaux

George Wang

P1.10
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Equidistributed Statistics on Fishburn Matrices and Permutations

Dandan Chen, Sherry H.F. Yan, Robin D.P. Zhou

P1.11
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On Some Interesting Ternary Formulas

Pascal Ochem, Matthieu Rosenfeld

P1.12
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A Bijection for Essentially 4-Connected Toroidal Triangulations

Nicolas Bonichon, Benjamin Lévêque

P1.13
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The Overgraphs of Generalized Cospectral Controllable Graphs

Alexander Farrugia

P1.14
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Algebraically Grid-Like Graphs have Large Tree-Width

Daniel Weißauer

P1.15
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The Classification of $2$-Extendable Edge-Regular Graphs with Diameter $2$

Klavdija Kutnar, Dragan Marušič, Štefko Miklavič, Primož Šparl

P1.16
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On the Rainbow Turán number of paths

Beka Ergemlidze, Ervin Győri, Abhishek Methuku

P1.17
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The Game of Plates and Olives

Teena Carroll, David Galvin

P1.18
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Monochromatic Cycle Partitions of $2$-Coloured Graphs with Minimum Degree $3n/4$

Shoham Letzter

P1.19
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Combinatorics of Exceptional Sequences in Type A

Alexander Garver, Kiyoshi Igusa, Jacob P. Matherne, Jonah Ostroff

P1.20
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Total Distance, Wiener Index and Opportunity Index in Wreath Products of Star Graphs

Matteo Cavaleri, Alfredo Donno, Andrea Scozzari

P1.21
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Regularity and $h$-Polynomials of Edge Ideals

Takayuki Hibi, Kazunori Matsuda, Adam Van Tuyl

P1.22
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Tree-Like Distance Colouring for Planar Graphs of Sufficient Girth

Ross J. Kang, Willem van Loon

P1.23
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The Canonical Join Complex

Emily Barnard

P1.24
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Dual Graded Graphs and Bratteli Diagrams of Towers of Groups

Christian Gaetz

P1.25
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Improved Bounds on the Multicolor Ramsey Numbers of Paths and Even Cycles

Charlotte Knierim, Pascal Su

P1.26
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Permutations of Type $B$ with Fixed Number of Descents and Minus Signs

Katarzyna Kril, Wojciech Młotkowski

P1.27
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The Tu–Deng Conjecture holds Almost Surely

Lukas Spiegelhofer, Michael Wallner

P1.28
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Antichain Toggling and Rowmotion

Michael Joseph

P1.29
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Minimum Number of Additive Tuples in Groups of Prime Order

Ostap Chervak, Oleg Pikhurko, Katherine Staden

P1.30
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Continuants, Run Lengths, and Barry's Modified Pascal Triangle

Lukas Spiegelhofer, Jeffrey Shallit

P1.31
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Classification of External Zonotopal Algebras

Gleb Nenashev

P1.32
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Decomposing Graphs into a Spanning Tree, an Even Graph, and a Star Forest

Kasper Szabo Lyngsie, Martin Merker

P1.33
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On the Turán Density of $\{1, 3\}$-Hypergraphs

Shuliang Bai, Linyuan Lu

P1.34
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Classifying Rotationally-Closed Languages Having Greedy Universal Cycles

Joseph DiMuro

P1.35
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The Chromatic Number of Finite Group Cayley Tables

Luis Goddyn, Kevin Halasz, E. S. Mahmoodian

P1.36
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A Bijection between Necklaces and Multisets with Divisible Subset Sum

Swee Hong Chan

P1.37
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Ehrhart Polynomial Roots of Reflexive Polytopes

Gábor Hegedüs, Akihiro Higashitani, Alexander Kasprzyk

P1.38
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Polyhedra with Few 3-Cuts are Hamiltonian

G. Brinkmann, C. T. Zamfirescu

P1.39
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The cd-Indices of Intervals in the Uncrossing Partial Order on Matchings

Younghwan Kim

P1.40
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Composability of Permutation Classes

Mark Karpilovskij

P1.41
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Perfect Matching Covers of Cubic Graphs of Oddness 2

Wuyang Sun, Fan Wang

P1.42
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Cubic Graphs with Small Independence Ratio

József Balogh, Alexandr Kostochka, Xujun Liu

P1.43
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On the Maximum Density of Fixed Strongly Connected Subtournaments

Leonardo N. Coregliano, Roberto F. Parente, Cristiane M. Sato

P1.44
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Opportunity Costs in the Game of Best Choice

Madeline Crews, Brant Jones, Kaitlyn Myers, Laura Taalman, Michael Urbanski, Breeann Wilson

P1.45
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Topology of $\mathbb{Z}_3$-Equivariant Hilbert Schemes

Deborah Castro, Dustin Ross

P1.46
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Flow Polytopes of Partitions

Karola Mészáros, Connor Simpson, Zoe Wellner

P1.47
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Enumeration on Row-Increasing Tableaux of Shape $2 \times n$

Rosena R.X. Du, Xiaojie Fan, Yue Zhao

P1.48
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On the Möbius Function and Topology of General Pattern Posets

Jason P. Smith

P1.49
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The Chromatic Number of the $q$-Kneser Graph for Large $q$

Ferdinand Ihringer

P1.50
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On Generalized Choice and Coloring Numbers

Zdenēk Dvořák, Jakub Pekárek, Jean-Sébastien Sereni

P1.51
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On the Real-Rootedness of the Local $h$-Polynomials of Edgewise Subdivisions

Philip B. Zhang

P1.52
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On Degree Properties of Crossing-Critical Families of Graphs

Drago Bokal, Mojca Bračič, Marek Derňár, Petr Hliněný

P1.53
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