Volume 26, Issue 3 (2019)

Matching Complexes of Small Grids

Takahiro Matsushita

P3.1
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Domino Tilings for Augmented Aztec Rectangles and Their Chains

Hyunggi Kim, Sangyop Lee, Seungsang Oh

P3.2
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Improved Bounds for the Extremal Number of Subdivisions

Oliver Janzer

P3.3
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Rigidity for the Hopf Algebra of Quasisymmetric Functions

Wanwan Jia, Zhengpan Wang, Houyi Yu

P3.4
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Fundamental Domains for Rhombic Lattices with Dihedral Symmetry of Order 8

Joseph Ray Clarence G. Damasco, Dirk Frettlöh, Manuel Joseph C. Loquias

P3.5
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The Size of the Giant Component in Random Hypergraphs: a Short Proof

Oliver Cooley, Mihyun Kang, Christoph Koch

P3.6
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Eigenvalues of the Laplacian on the Goldberg-Coxeter Constructions for 3- and 4-valent Graphs

Toshiaki Omori, Hisashi Naito, Tatsuya Tate

P3.7
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Non-Monochromatic Triangles in a 2-Edge-Coloured Graph

Matt DeVos, Jessica McDonald, Amanda Montejano

P3.8
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Some Identities Involving Second Kind Stirling Numbers of Types $B$ and $D$

Eli Bagno, Riccardo Biagioli, David Garber

P3.9
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On Graph-Theoretical Invariants of Combinatorial Manifolds

Alberto Cavicchioli, Fulvia Spaggiari

P3.10
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Generalized Coinvariant Algebras for $G(r,1,n)$ in the Stanley-Reisner setting

Daniël Kroes

P3.11
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Bootstrap Percolation in Directed Inhomogeneous Random Graphs

Thilo Meyer-Brandis, Nils Detering, Konstantinos Panagiotou

P3.12
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Slicings of Parallelogram Polyominoes: Catalan, Schröder, Baxter, and Other Sequences

Nicholas R. Beaton, Mathilde Bouvel, Veronica Guerrini, Simone Rinaldi

P3.13
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Uglov Bipartitions and Extended Young Diagrams

Nicolas Jacon

P3.14
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The Spectrum of Group-Based Complete Latin Squares

M. A. Ollis, Christopher R. Tripp

P3.15
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On the Spectral Characterization of Mixed Extensions of $P_{3}$

Willem H. Haemers, Sezer Sorgun, Hatice Topcu

P3.16
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On Grounded L-Graphs and their Relatives

Vít Jelínek, Martin Töpfer

P3.17
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Decomposing 1-Sperner Hypergraphs

Endre Boros, Vladimir Gurvich, Martin Milanič

P3.18
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Subdivisions in Digraphs of Large Out-Degree or Large Dichromatic Number

Pierre Aboulker, Nathann Cohen, Frédéric Havet, William Lochet, Phablo F. S. Moura, Stéphan Thomassé

P3.19
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Two Partial Orders for Standard Young Tableaux

Justyna Kosakowska, Markus Schmidmeier, Hugh Thomas

P3.20
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The Problem of Pawns

Tricia Muldoon Brown

P3.21
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Smirnov Trees

Matjaž Konvalinka, Vasu Tewari

P3.22
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A Coupling of the Spectral Measures at a Vertex

Thibault Espinasse, Paul Rochet

P3.23
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VC Dimension and a Union Theorem for Set Systems

Stijn Cambie, António Girão, Ross J. Kang

P3.24
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Greene–Kleitman Invariants for Sulzgruber Insertion

Alexander Garver, Rebecca Patrias

P3.25
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On Partially Ordered Patterns of Length 4 and 5 in Permutations

Alice L. L. Gao, Sergey Kitaev

P3.26
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Hopping from Chebyshev Polynomials to Permutation Statistics

Jordan O. Tirrell, Yan Zhuang

P3.27
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New Probabilistic Upper Bounds on the Domination Number of a Graph

Nader Jafari Rad

P3.28
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Permutation Graphs and the Abelian Sandpile Model, Tiered Trees and Non-Ambiguous Binary Trees

Mark Dukes, Thomas Selig, Jason P. Smith, Einar Steingrímsson

P3.29
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2-Colorability of r-Uniform Hypergraphs

Michael Krul, Luboš Thoma

P3.30
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On Walks Avoiding a Quadrant

Kilian Raschel, Amélie Trotignon

P3.31
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On the Stability and Instability of Finite Dynamical Systems with Prescribed Interaction Graphs

Maximilien Gadouleau

P3.32
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Baxter Posets

Emily Meehan

P3.33
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Simplicial Complexes are Game Complexes

Sara Faridi, Svenja Huntemann, Richard J. Nowakowski

P3.34
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$1/k$-Eulerian Polynomials and $k$-Inversion Sequences

Ting-Wei Chao, Jun Ma, Shi-Mei Ma, Yeong-Nan Yeh

P3.35
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A Note on Log-Concave Random Graphs

Alan Frieze, Tomasz Tkocz

P3.36
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Flow polynomials of a Signed Graph

Xiangyu Ren, Jianguo Qian

P3.37
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Partitioning the Power Set of $[n]$ into $C_k$-free parts

Eben Blaisdell, András Gyárfás, Robert A. Krueger, Ronen Wdowinski

P3.38
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Johnson Type Bounds for Mixed Dimension Subspace Codes

Thomas Honold, Michael Kiermaier, Sascha Kurz

P3.39
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Maximum Number of Colourings: 5-Chromatic Case

Fiachra Knox, Bojan Mohar

P3.40
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Limiting Probabilities for Vertices of a Given Rank in 1-2 Trees

Miklós Bóna, István Mező

P3.41
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Quandles of Cyclic Type with Several Fixed Points

António Lages, Pedro Lopes

P3.42
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Relating Ordinary and Fully Simple Maps via Monotone Hurwitz Numbers

Gaëtan Borot, Séverin Charbonnier, Norman Do, Elba Garcia-Failde

P3.43
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Monomial Ideals of Weighted Oriented Graphs

Yuriko Pitones, Enrique Reyes, Jonathan Toledo

P3.44
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Spectral Lower Bounds for the Orthogonal and Projective Ranks of a Graph

Pawel Wocjan, Clive Elphick

P3.45
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Dependencies Among Dependencies in Matroids

James Oxley, Suijie Wang

P3.46
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A New Encoding of Permutations by Laguerre Histories

Sherry H.F. Yan, Hao Zhou, Zhicong Lin

P3.47
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The New dinv is Not So New

Michele D'Adderio, Alessandro Iraci

P3.48
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Lattices From Tight Frames and Vertex Transitive Graphs

Lenny Fukshansky, Deanna Needell, Josiah Park, Yuxin Xin

P3.49
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Coordinate Deletion of Zeroes

Eero Räty

P3.50
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Classes of Graphs with $e$-Positive Chromatic Symmetric Function

Angèle M. Foley, Chính T. Hoàng, Owen D. Merkel

P3.51
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Support Equalities Among Ribbon Schur Functions

Marisa Gaetz, Will Hardt, Shruthi Sridhar

P3.52
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Exact Solution of Some Quarter Plane Walks with Interacting Boundaries

N. R. Beaton, A. L. Owczarek, A. Rechnitzer

P3.53
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Structure of Cubic Lehman Matrices

Dillon Mayhew, Irene Pivotto, Gordon Royle

P3.54
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Chromatic Polynomials of Oriented Graphs

Danielle Cox, Christopher Duffy

P3.55
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Spanning Trails in a 2-Connected Graph

Shipeng Wang, Liming Xiong

P3.56
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A Continuous Analogue of Lattice Path Enumeration

Quang-Nhat Le, Sinai Robins, Christophe Vignat, Tanay Wakhare

P3.57
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Families of Major Index Distributions: Closed Forms and Unimodality

William J. Keith

P3.58
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Difference Families, Skew Hadamard Matrices, and Critical Groups of Doubly Regular Tournaments

Venkata Raghu Tej Pantangi

P3.59
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Multicolour Bipartite Ramsey Number of Paths

Matija Bucic, Shoham Letzter, Benny Sudakov

P3.60
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Balanced Triangulations on few Vertices and an Implementation of Cross-Flips

Lorenzo Venturello

P3.61
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Resolving Two Conjectures on Staircase Encodings and Boundary Grids of $132$ and $123$-avoiding permutations

Shyam Sivasathya Narayanan

P3.62
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On the Sweep Map for $\vec{k}$-Dyck Paths

Guoce Xin, Yingrui Zhang

P3.63
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On Orthogonal Symmetric Chain Decompositions

Karl Däubel, Sven Jäger, Torsten Mütze, Manfred Scheucher

P3.64
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