Volume 25, Issue 1 (2018)

Graphical Mahonian Statistics on Words

Amy Grady, Svetlana Poznanović

P1.1
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Linear Polychromatic Colorings of Hypercube Faces

Evan Chen

P1.2
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On Ehrhart Polynomials of Lattice Triangles

Johannes Hofscheier, Benjamin Nill, Dennis Öberg

P1.3
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Improved Bounds for the Graham-Pollak Problem for Hypergraphs

Imre Leader, Ta Sheng Tan

P1.4
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Bounds on Parameters of Minimally Nonlinear Patterns

P. A. CrowdMath

P1.5
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The $r$-Matching Sequencibility of Complete Graphs

Adam Mammoliti

P1.6
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Equidistributions of Mahonian Statistics over Pattern Avoiding Permutations

Nima Amini

P1.7
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On Parking Functions and the Zeta Map in Types B, C and D

Robin Sulzgruber, Marko Thiel

P1.8
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The Structure of Delta-Matroids with Width One Twists

Carolyn Chun, Rhiannon Hall, Criel Merino, Iain Moffatt, Steven D Noble

P1.9
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$(q,t)$-Characters of Kirillov-Reshetikhin Modules of Type $A_r$ as Quantum Cluster Variables

Bolor Turmunkh

P1.10
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Undesired Parking Spaces and Contractible Pieces of the Noncrossing Partition Link

Michael Dougherty, Jon McCammond

P1.11
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Some New Groups which are not CI-groups with Respect to Graphs

Ted Dobson

P1.12
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Nonexistence of Certain Singly Even Self-Dual Codes with Minimal Shadow

Stefka Bouyuklieva, Masaaki Harada, Akihiro Munemasa

P1.13
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The Cycle Polynomial of a Permutation Group

Peter J. Cameron, Jason Semeraro

P1.14
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Two-Vertex Generators of Jacobians of Graphs

David Brandfonbrener, Pat Devlin, Netanel Friedenberg, Yuxuan Ke, Steffen Marcus, Henry Reichard, Ethan Sciamma

P1.15
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A Large Set of Torus Obstructions and How They Were Discovered

Wendy Myrvold, Jennifer Woodcock

P1.16
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Kirillov's Unimodality Conjecture for the Rectangular Narayana Polynomials

Herman Z. Q. Chen, Arthur L. B. Yang, Philip B. Zhang

P1.17
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Toggling Independent Sets of a Path Graph

Michael Joseph, Tom Roby

P1.18
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Chip-Firing on Trees of Loops

Sameer Kailasa, Vivian Kuperberg, Nicholas Wawrykow

P1.19
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Zero Sum Partition of Abelian Groups into Sets of the Same Order and its Applications

Sylwia Cichacz

P1.20
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A Rational Catalan Formula for $(m,3)$-Hikita Polynomials

Ryan Kaliszewski, Debdut Karmakar

P1.21
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A Flag Whitney Number Formula for Matroid Kazhdan-Lusztig Polynomials

Max Wakefield

P1.22
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Parabolic Double Cosets in Coxeter Groups

Sara C. Billey, Matjaž Konvalinka, T. Kyle Petersen, William Slofstra, Bridget E. Tenner

P1.23
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Generalized Non-Crossing Partitions and Buildings

Julia Heller, Petra Schwer

P1.24
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Likelihood Orders for the $p$-Cycle Walks on the Symmetric Group

Megan Bernstein

P1.25
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The $Z$-Polynomial of a Matroid

Nicholas Proudfoot, Yuan Xu, Ben Young

P1.26
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Fully Packed Loop Configurations: Polynomiality and Nested Arches

Florian Aigner

P1.27
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A Refined Count of Coxeter Element Reflection Factorizations

Elise delMas, Thomas Hameister, Victor Reiner

P1.28
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An Arithmetic Property of Moments of the $\beta$-Hermite Ensemble and Certain Map Enumerators

Amol Aggarwal

P1.29
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Cubic Graphs and Related Triangulations on Orientable Surfaces

Wenjie Fang, Mihyun Kang, Michael Moßhammer, Philipp Sprüssel

P1.30
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Context-Free Grammars for Several Polynomials Associated with Eulerian Polynomials

Shi-Mei Ma, Jun Ma, Yeong-Nan Yeh, Bao-Xuan Zhu

P1.31
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Lecture Hall Partitions and the Affine Hyperoctahedral Group

Christopher R. H. Hanusa, Carla D. Savage

P1.32
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Fixed Points of the Evacuation of Maximal Chains on Fuss Shapes

Sen-Peng Eu, Tung-Shan Fu, Hsiang-Chun Hsu, Yu-Pei Huang

P1.33
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Symmetries of Unlabelled Planar Triangulations

Mihyun Kang, Philipp Sprüssel

P1.34
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Burling Graphs, Chromatic Number, and Orthogonal Tree-Decompositions

Stefan Felsner, Gwenaël Joret, Piotr Micek, William T. Trotter, Veit Wiechert

P1.35
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Conserved Quantities of Q-systems from Dimer Integrable Systems

Panupong Vichitkunakorn

P1.36
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q-Stirling Identities Revisited

Yue Cai, Richard Ehrenborg, Margaret Readdy

P1.37
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Almost Tiling of the Boolean Lattice with Copies of a Poset

István Tomon

P1.38
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Non-Classical Hyperplanes of Finite Thick Dual Polar Spaces

Bart De Bruyn

P1.39
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The Existence of a Path-Factor without Small Odd Paths

Yoshimi Egawa, Michitaka Furuya

P1.40
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Obstructions to Combinatorial Formulas for Plethysm

Thomas Kahle, Mateusz Michałek

P1.41
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The Cayley Isomorphism Property for Cayley Maps

Mikhail Muzychuk, Gábor Somlai

P1.42
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The Orthomorphism Graph $\mathcal{L}_3(q)$

Anthony B. Evans

P1.43
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Operads of Finite Posets

Frédéric Fauvet, Loïc Foissy, Dominique Manchon

P1.44
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Partitioning Sparse Graphs into an Independent Set and a Forest of Bounded Degree

François Dross, Mickael Montassier, Alexandre Pinlou

P1.45
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On the Stability of Independence Polynomials

Jason I. Brown, Ben Cameron

P1.46
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Coloring Cross-Intersecting Families

Danila Cherkashin

P1.47
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Eulerian Numbers Associated with Arithmetical Progressions

José L. Ramírez, Sergio N. Villamarin, Diego Villamizar

P1.48
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On the Minimum Size of an Identifying Code Over All Orientations of a Graph

Nathann Cohen, Frédéric Havet

P1.49
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A Brooks Type Theorem for the Maximum Local Edge Connectivity

Michael Stiebitz, Bjarne Toft

P1.50
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A Better Lower Bound on Average Degree of Online $k$-List-Critical Graphs

Landon Rabern

P1.51
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On Bipartite $Q$-Polynomial Distance-Regular Graphs with Diameter 9, 10, or 11

Štefko Miklavič

P1.52
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Upper Bound on the Circular Chromatic Number of the Plane

Konstanty Junosza-Szaniawski

P1.53
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A Classification of Motzkin Numbers Modulo 8

Ying Wang, Guoce Xin

P1.54
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On Almost-Planar Graphs

Guoli Ding, Joshua Fallon, Emily Marshall

P1.55
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Extremal Numbers for Directed Hypergraphs with Two Edges

Alex Cameron

P1.56
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Core Partitions with Distinct Parts

Huan Xiong

P1.57
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A Combinatorial Proof of a Formula of Biane and Chapuy

Sinho Chewi, Venkat Anantharam

P1.58
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Equivalence of Edge Bicolored Graphs on Surfaces

Oliver T. Dasbach, Heather M. Russell

P1.59
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On the Diameter of Dual Graphs of Stanley-Reisner Rings and Hirsch Type Bounds on Abstractions of Polytopes

Brent Holmes

P1.60
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On Repetition Thresholds of Caterpillars and Trees of Bounded Degree

Borut Lužar, Pascal Ochem, Alexandre Pinlou

P1.61
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Induced 2-Degenerate Subgraphs of Triangle-Free Planar Graphs

Zdeněk Dvořák, Tom Kelly

P1.62
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On the Extremal Betti Numbers of Binomial Edge Ideals of Block Graphs

Jürgen Herzog, Giancarlo Rinaldo

P1.63
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Periods of Ehrhart Coefficients of Rational Polytopes

Tyrrell B. McAllister, Hélène O. Rochais

P1.64
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Connected Order Ideals and $P$-Partitions

Ben P. Zhou

P1.65
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Extensions of Partial Cyclic Orders, Euler Numbers and Multidimensional Boustrophedons

Sanjay Ramassamy

P1.66
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Covering a Graph with Cycles of Length at Least 4

Hong Wang

P1.67
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Rook Placements and Jordan Forms of Upper-Triangular Nilpotent Matrices

Martha Yip

P1.68
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Symmetric Chain Decompositions of Products of Posets with Long Chains

Stefan David, Hunter Spink, Marius Tiba

P1.69
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Piercing Axis-Parallel Boxes

Maria Chudnovsky, Sophie Spirkl, Shira Zerbib

P1.70
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A Characterization of Hermitian Varieties as Codewords

Angela Aguglia, Daniele Bartoli, Leo Storme, Zsuzsa Weiner

P1.71
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Constraining the Clustering Transition for Colorings of Sparse Random Graphs

Michael Anastos, Alan Frieze, Wesley Pegden

P1.72
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Finding Balance: Split Graphs and Related Classes

Karen L. Collins, Ann N. Trenk

P1.73
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Every Plane Graph is Facially-Non-Repetitively $C$-choosable

Grzegorz Gutowski

P1.74
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