Volume 26, Issue 4 (2019)

Statistical Properties of Lambda Terms

Maciej Bendkowski, Olivier Bodini, Sergey Dovgal

P4.1
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Universality for Random Surfaces in Unconstrained Genus

Thomas Budzinski, Nicolas Curien, Bram Petri

P4.2
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Fractional Domination Game

Csilla Bujtas, Zsolt Tuza

P4.3
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Combinatorial Specifications for Juxtapositions of Permutation Classes

Robert Brignall, Jakub Sliačan

P4.4
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Vertex Degree Sums for Matchings in 3-Uniform Hypergraphs

Yi Zhang, Yi Zhao, Mei Lu

P4.5
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The Toucher-Isolator game

Chris Dowden, Mihyun Kang, Mirjana Mikalački, Miloš Stojaković

P4.6
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On the Weight of Berge-$F$-Free Hypergraphs

Sean English, Dániel Gerbner, Abhishek Methuku, Cory Palmer

P4.7
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Generalised Mycielski Graphs and the Borsuk–Ulam Theorem

Tobias Müller, Matěj Stehlík

P4.8
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Planar Ramsey Graphs

Maria Axenovich, Ursula Schade, Carsten Thomassen, Torsten Ueckerdt

P4.9
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Collapsibility of Simplicial Complexes of Hypergraphs

Alan Lew

P4.10
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Saturation Games for Odd Cycles

Sam Spiro

P4.11
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On the Rank of a Random Binary Matrix

Colin Cooper, Alan Frieze, Wesley Pegden

P4.12
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An Explicit Edge-Coloring of $K_n$ with Six Colors on Every $K_5$

Alex Cameron

P4.13
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Shellability of Posets of Labeled Partitions and Arrangements Defined by Root Systems

Emanuele Delucchi, Noriane Girard, Giovanni Paolini

P4.14
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Aperiodic Two-Dimensional Words of Small Abelian Complexity

Svetlana Puzynina

P4.15
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The Cyclic Sieving Phenomenon on Circular Dyck Paths

Per Alexandersson, Svante Linusson, Samu Potka

P4.16
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When is the $q$-Multiplicity of a Weight a Power of $q$?

Pamela E. Harris, Margaret Rahmoeller, Lisa Schneider, Anthony Simpson

P4.17
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Position Sequences and a $q$-Analogue for the Modular Hook Length Formula

Anthony Mendes, Sam Lindbloom-Airey

P4.18
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Pentagonal Subdivision

Min Yan

P4.19
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Distributed Coloring in Sparse Graphs with Fewer Colors

Pierre Aboulker, Marthe Bonamy, Nicolas Bousquet, Louis Esperet

P4.20
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A Note on the Connectivity of 2-Polymatroid Minors

Zachary Gershkoff, James Oxley

P4.21
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Permutational Powers of a Graph

Matteo Cavaleri, Daniele D'Angeli, Alfredo Donno

P4.22
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Combining Extensions of the Hales-Jewett Theorem with Ramsey Theory in Other Structures

Neil Hindman, Dona Strauss, Luca Q. Zamboni

P4.23
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Cyclic Triangle Factors in Regular Tournaments

Lina Li, Theodore Molla

P4.24
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The Gorenstein Property for Projective Coordinate Rings of the Moduli of Parabolic $\mathrm{SL}_2$-Principal Bundles on a Smooth Curve

Theodore Faust, Christopher Manon

P4.25
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Choice Functions in the Intersection of Matroids

Joseph Briggs, Minki Kim

P4.26
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The Biclique Covering Number of Grids

Krystal Guo, Tony Huynh, Marco Macchia

P4.27
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Uniform Generation of Spanning Regular Subgraphs of a Dense Graph

Pu Gao, Catherine Greenhill

P4.28
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On the Twelve-Point Theorem for $\ell$-Reflexive Polygons

Dimitrios I. Dais

P4.29
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Homomesy in Products of Three Chains and Multidimensional Recombination

Corey Vorland

P4.30
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On 2-Connected Hypergraphs with No Long Cycles

Zoltán Füredi, Alexandr Kostochka, Ruth Luo

P4.31
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A Note on Hedetniemi's Conjecture, Stahl's Conjecture and the Poljak-Rödl Function

Claude Tardif, Xuding Zhu

P4.32
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Fractional Factors, Component Factors and Isolated Vertex Conditions in Graphs

Roger Yu, Mikio Kano, Hongliang Lu

P4.33
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Tamari Lattices for Parabolic Quotients of the Symmetric Group

Henri Mühle, Nathan Williams

P4.34
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A Limit Theorem for the Six-length of Random Functional Graphs with a Fixed Degree Sequence

Kevin Leckey, Nick Wormald

P4.35
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Distinguishing Graphs of Maximum Valence 3

Svenja Hüning, Wilfried Imrich, Judith Kloas, Hannah Schreber, Thomas W. Tucker

P4.36
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Connected Chord Diagrams and Bridgeless Maps

Julien Courtiel, Karen Yeats, Noam Zeilberger

P4.37
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Matching Polytons

Martin Doležal, Jan Hladký

P4.38
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Crystals, Semistandard Tableaux and Cyclic Sieving Phenomenon

Young-Tak Oh, Euiyong Park

P4.39
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Ramsey Numbers of Berge-Hypergraphs and Related Structures

Nika Salia, Casey Tompkins, Zhiyu Wang, Oscar Zamora

P4.40
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Fractional Decompositions and the Smallest-eigenvalue Separation

Fiachra Knox, Bojan Mohar

P4.41
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The Maximum Number of Cycles in a Graph with Fixed Number of Edges

Andrii Arman, Sergei Tsaturian

P4.42
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Cutting Resilient Networks – Complete Binary Trees

Xing Shi Cai, Cecilia Holmgren

P4.43
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Nearly Neighbourly Families of Standard Boxes

Jacek Bojarski, Andrzej Piotr Kisielewicz, Krzysztof Przesławski

P4.44
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Domination of the Rectangular Queen's Graph

Sándor Bozóki, Péter Gál, István Marosi, William D. Weakley

P4.45
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- APPENDIX
- COMMENT
Canonical Forms for Dihedral and Symmetric Groups

Robert Shwartz

P4.46
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Distribution of Variables in Lambda-Terms with Restrictions on De Bruijn Indices and De Bruijn Levels

Bernhard Gittenberger, Isabella Larcher

P4.47
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A New Bijection Between RNA Secondary Structures and Plane Trees and its Consequences

Ricky Xiaofeng Chen

P4.48
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Nearly-Regular Hypergraphs and Saturation of Berge Stars

Bethany Austhof, Sean English

P4.49
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On the Schur Function Expansion of a Symmetric Quasi-symmetric Function

Ira M. Gessel

P4.50
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The Weighted Davenport Constant of a Group and a Related Extremal Problem

Niranjan Balachandran, Eshita Mazumdar

P4.51
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Cumulative Subtraction Games

Gal Cohensius, Urban Larsson, Reshef Meir, David Wahlstedt

P4.52
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A Degree Sum Condition on the Order, the Connectivity and the Independence Number for Hamiltonicity

Shuya Chiba, Michitaka Furuya, Kenta Ozeki, Masao Tsugaki, Tomoki Yamashita

P4.53
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Resilient Degree Sequences with respect to Hamilton Cycles and Matchings in Random Graphs

Padraig Condon, Alberto Espuny Díaz, Daniela Kühn, Deryk Osthus, Jaehoon Kim

P4.54
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