Volume 26, Issue 2 (2019)

Permutations in Two Dimensions that Maximally Separate Neighbors

Mohammed Albow, Jeffrey Edgington, Mario Lopez, Petr Vojtěchovský

P2.1
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Axioms for Shifted Tableau Crystals

Maria Gillespie, Jake Levinson

P2.2
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On the Subnet Prune and Regraft Distance

Jonathan Klawitter, Simone Linz

P2.3
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Homotopy Type of the Neighborhood Complexes of Graphs of Maximal Degree at most $3$ and $4$-Regular Circulant Graphs

Samir Shukla

P2.4
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The Ascent-Plateau Statistics on Stirling Permutations

Shi-Mei Ma, Jun Ma, Yeong-Nan Yeh

P2.5
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On Certain Edge-Transitive Bicirculants

Robert Jajcay, Štefko Miklavič, Primož Šparl, Gorazd Vasiljević

P2.6
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A Geometric Interpretation of the Intertwining Number

Mahir Bilen Can, Yonah Cherniavsky, Martin Rubey

P2.7
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Inglenook Shunting Puzzles

Simon R. Blackburn

P2.8
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On the Lattice Point Covering Problem in Dimension 2

Fei Xue

P2.9
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An Upper Bound for the Regularity of Symbolic Powers of Edge Ideals of Chordal Graphs

Seyed Amin Seyed Fakhari

P2.10
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Extremal $H$-Free Planar Graphs

Yongxin Lan, Yongtang Shi, Zi-Xia Song

P2.11
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Shell Tableaux: A Set Partition Analog of Vacillating Tableaux

Megan Ly

P2.12
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Stability Results for Vertex Turán Problems in Kneser Graphs

Dániel Gerbner, Abhishek Methuku, Dániel T. Nagy, Balazs Patkos, Máté Vizer

P2.13
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On Almost-Equidistant Sets - II

Alexandr Polyanskii

P2.14
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On Monochromatic Pairs of Nondecreasing Diameters

Adam O'Neal, Michael W. Schroeder

P2.15
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Vertically Constrained Motzkin-Like Paths Inspired by Bobbin Lace

Veronika Irvine, Stephen Melczer, Frank Ruskey

P2.16
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Vizing's 2-Factor Conjecture Involving Toughness and Maximum Degree Conditions

Jinko Kanno, Songling Shan

P2.17
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On the Maximum Degree of Path-Pairable Planar Graphs

António Girão, Gábor Mészáros, Kamil Popielarz, Richard Snyder

P2.18
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Toric Mutations in the dP$_2$ Quiver and Subgraphs of the dP$_2$ Brane Tiling

Yibo Gao, Zhaoqi Li, Thuy-Duong Vuong, Lisa Yang

P2.19
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Extensions of Set Partitions and Permutations

Jhon B. Caicedo, Victor H. Moll, José L. Ramírez, Diego Villamizar

P2.20
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Off-Diagonal Ordered Ramsey Numbers of Matchings

Dhruv Rohatgi

P2.21
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Monochromatic Hilbert Cubes and Arithmetic Progressions

József Balogh, Mikhail Lavrov, George Shakan, Adam Zsolt Wagner

P2.22
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Lattice Homomorphisms Between Weak Orders

Nathan Reading

P2.23
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On Resilience of Connectivity in the Evolution of Random Graphs

Luc Haller, Miloš Trujić

P2.24
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Independence Number of Graphs with a Prescribed Number of Cliques

Tom Bohman, Dhruv Mubayi

P2.25
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Phase Measurement of Quantum Walks: Application to Structure Theorem of the Positive Support of the Grover Walk

Norio Konno, Iwao Sato, Etsuo Segawa

P2.26
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Super RSK Correspondence with Symmetry

Robert Muth

P2.27
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Cyclic Demazure Modules and Positroid Varieties

Thomas Lam

P2.28
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The Smallest Strictly Neumaier Graph and its Generalisations

Rhys J. Evans, Sergey Goryainov, Dmitry Panasenko

P2.29
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The Perimeter and Site-Perimeter of Set Partitions

Toufik Mansour

P2.30
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Circular Repetition Thresholds on Some Small Alphabets: Last Cases of Gorbunova's Conjecture

James D. Currie, Lucas Mol, Narad Rampersad

P2.31
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The Rise-Contact Involution on Tamari Intervals

Viviane Pons

P2.32
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Combinatorial Cluster Expansion Formulas from Triangulated Surfaces

Toshiya Yurikusa

P2.33
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Structure and Supersaturation for Intersecting Families

József Balogh, Shagnik Das, Hong Liu, Maryam Sharifzadeh, Tuan Tran

P2.34
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Classification of the Hyperovals in PG(2,64)

Peter Vandendriessche

P2.35
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Many Triangles with Few Edges

Rachel Kirsch, A. J. Radcliffe

P2.36
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A Splitter Theorem for 3-Connected 2-Polymatroids

James Oxley, Charles Semple, Geoff Whittle

P2.37
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A Note on Counting Flows in Signed Graphs

Matt DeVos, Edita Rollová, Robert Šámal

P2.38
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Clumsy Packings of Graphs

Maria Axenovich, Anika Kaufmann, Raphael Yuster

P2.39
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Fractional L-intersecting Families

Niranjan Balachandran, Rogers Mathew, Tapas Kumar Mishra

P2.40
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Non-Bipartite Distance-Regular Graphs with a Small Smallest Eigenvalue

Zhi Qiao, Yifan Jing, Jack Koolen

P2.41
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Split Graphs: Combinatorial Species and Asymptotics

Justin M. Troyka

P2.42
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Rigid Linkages and Partial Zero Forcing

Daniela Ferrero, Mary Flagg, H. Tracy Hall, Leslie Hogben, Jephian C.-H. Lin, Seth A. Meyer, Shahla Nasserasr, Bryan Shader

P2.43
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The Second Eigenvalue of some Normal Cayley Graphs of Highly Transitive Groups

Xueyi Huang, Qiongxiang Huang, Sebastian M. Cioabă

P2.44
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On a Conjecture Regarding Identification in Hamming Graphs

Ville Junnila, Tero Laihonen, Tuomo Lehtilä

P2.45
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