Volume 32, Issue 4 (2025)

Counting Substructures and Eigenvalues II: Quadrilaterals

Bo Ning, Mingqing Zhai

P4.1
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Forbidden Subgraphs and Complete Partitions

John Byrne, Michael Tait, Craig Timmons

P4.2
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On Vizing’s Problem for Triangle-Free Graphs

Ross J. Kang, Matthieu Rosenfeld

P4.3
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Transitive Cornerations in Maps

Micael Toledo, Alejandra Ramos-Rivera, Primož Potočnik, Stephen E. Wilson

P4.4
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The Partial Search Order Problem

Robert Scheffler

P4.5
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Sketches, Moves and Partitions: Counting Regions of Catalan Deformations of Reflection Arrangements

Priyavrat Deshpande, Krishna Menon

P4.6
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Graphs of Bounded Chordality

Aristotelis Chaniotis, Babak Miraftab, Sophie Spirkl

P4.7
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On the Cop Number of String Graphs

Harmender Gahlawat, Sandip Das

P4.8
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Ratliff Property of Edge Ideals of Weighted Oriented Graphs

Arindam Banerjee, Kanoy Kumar Das, Pritam Roy

P4.9
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Invertibility in the Misère Multiverse

Alfie Davies, Vishal Yadav

P4.10
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The $P$-Associahedron $f$-Vector Is a Comparability Invariant

Son Nguyen, Andrew Sack

P4.11
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Degree-Similar Graphs

Chris Godsil, Wanting Sun

P4.12
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A Short Proof of Seymour’s 6-Flow Theorem

Matt DeVos, Kathryn Nurse

P4.13
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Strong Odd Colorings in Graph Classes of Bounded Expansion

Michał Pilipczuk

P4.14
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A Spectral Version of the Theorem of Zykov and Erdős

Loujun Yu, Yuejian Peng

P4.15
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Hitting $k$ Primes by Dice Rolls

Noga Alon, Yaakov Malinovsky, Lucy Martinez, Doron Zeilberger

P4.16
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Transversal Panconnectedness in Graph Collections

Wanting Sun, Guanghui Wang, Lan Wei

P4.17
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Abstract Regular Polytopes of Finite Irreducible Coxeter Groups

Malcolm Hoong Wai Chen, Peter Rowley

P4.18
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Pattern Avoidance and the Fundamental Bijection

Kassie Archer, Robert P. Laudone

P4.19
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Inequalities Associated with the Root Sequences of $P$-Recursive Sequences

Zhongjie Li

P4.20
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The First Roe Homology Group of Locally Finite Graphs

Rémi Bottinelli, Tom Kaiser

P4.21
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Equatorial Flow Triangulations of Gorenstein Flow Polytopes

Benjamin Braun, Alvaro Cornejo

P4.22
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Minimal Cellular Resolutions of Path Ideals

Trung Chau, Selvi Kara, Kyle Wang

P4.23
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Complement Avoidance in Binary Words

James Currie, Ľubomíra Dvořáková, Pascal Ochem, Daniela Opočenská, Narad Rampersad, Jeffrey Shallit

P4.24
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