Volume 18, Issue 1 (2011)

On the Modes of Polynomials Derived from Nondecreasing Sequences

Donna Q. J. Dou, Arthur L. B. Yang

P1
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Subplanes of Order $3$ in Hughes Planes

Cafer Caliskan, G. Eric Moorhouse

P2
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Counting Points of Slope Varieties over Finite Fields

Thomas Enkosky

P3
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Convex-Ear Decompositions and the Flag h-Vector

Jay Schweig

P4
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Generating Functions Attached to some Infinite Matrices

Paul Monsky

P5
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The Number of Positions Starting a Square in Binary Words

Tero Harju, Tomi Kärki, Dirk Nowotka

P6
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A Bijection between Atomic Partitions and Unsplitable Partitions

William Y. C. Chen, Teresa X. S. Li, David G. L. Wang

P7
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Which Chessboards have a Closed Knight's Tour within the Rectangular Prism?

Joe DeMaio, Bindia Mathew

P8
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Cyclic Sieving Phenomenon in Non-Crossing Connected Graphs

Alan Guo

P9
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An Entropy Proof of the Kahn-Lovász Theorem

Jonathan Cutler, A. J. Radcliffe

P10
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Graphs with Four Boundary Vertices

Tobias Müller, Attila Pór, Jean-Sébastien Sereni

P11
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A New Bound on the Domination Number of Graphs with Minimum Degree Two

Michael A. Henning, Ingo Schiermeyer, Anders Yeo

P12
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Asymptotic Enumeration of Labelled Graphs by Genus

Edward A. Bender, Zhicheng Gao

P13
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Counting Connected Set Partitions of Graphs

Frank Simon, Peter Tittmann, Martin Trinks

P14
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Note on Highly Connected Monochromatic Subgraphs in $2$-Colored Complete Graphs

Shinya Fujita, Colton Magnant

P15
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Weighted Spanning Trees on some Self-Similar Graphs

Daniele D'Angeli, Alfredo Donno

P16
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Colorful Paths in Vertex Coloring of Graphs

Saieed Akbari, Vahid Liaghat, Afshin Nikzad

P17
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Promotion and Evacuation on Standard Young Tableaux of Rectangle and Staircase Shape

Steven Pon, Qiang Wang

P18
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On a Generalization of Meyniel's Conjecture on the Cops and Robbers Game

Noga Alon, Abbas Mehrabian

P19
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On a Conjecture Concerning the Petersen Graph

Donald Nelson, Michael D. Plummer, Neil Robertson, Xiaoya Zha

P20
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Digraphs are $2$-Weight Choosable

Mahdad Khatirinejad, Reza Naserasr, Mike Newman, Ben Seamone, Brett Stevens

P21
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Combinatorics of the Three-Parameter PASEP Partition Function

Matthieu Josuat-Vergès

P22
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Periodic Graphs

Chris Godsil

P23
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On Multicolor Ramsey Number of Paths Versus Cycles

Gholam Reza Omidi, Ghaffar Raeisi

P24
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Pattern Avoidance in Partial Permutations

Anders Claesson, Vít Jelínek, Eva Jelínková, Sergey Kitaev

P25
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More Counterexamples to the Alon-Saks-Seymour and Rank-Coloring Conjectures

Sebastian M. Cioabă, Michael Tait

P26
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Proof of the $(n/2-n/2-n/2)$ Conjecture for Large $n$

Yi Zhao

P27
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A Combinatorial Formula for Orthogonal Idempotents in the $0$-Hecke Algebra of the Symmetric Group

Tom Denton

P28
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A Generalization of Some Huang–Johnson Semifields

N. L. Johnson, Giuseppe Marino, Olga Polverino, Rocco Trombetti

P29
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The Number of $f$-Matchings in Almost Every Tree is a Zero Residue

Noga Alon, Simi Haber, Michael Krivelevich

P30
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A Quasisymmetric Function Generalization of the Chromatic Symmetric Function

Brandon Humpert

P31
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GBRDs with Block Size Three over 2-Groups, Semi-Dihedral Groups and Nilpotent Groups

R. Julian R. Abel, Diana Combe, Adrian M. Nelson, William D. Palmer

P32
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The Inverse Problem Associated to the Davenport Constant for $C_2\oplus C_2 \oplus C_{2n}$, and Applications to the Arithmetical Characterization of Class Groups

Wolfgang A. Schmid

P33
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On Optimal Linear Codes over ${\mathbb{F}}_8$

Rie Kanazawa, Tatsuya Maruta

P34
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Improved Upper Bounds for the Laplacian Spectral Radius of a Graph

Tianfei Wang, Jin Yang, Bin Li

P35
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Sharp Threshold Functions for Random Intersection Graphs via a Coupling Method

Katarzyna Rybarczyk

P36
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Baron Münchhausen Redeems Himself: Bounds for a Coin-Weighing Puzzle

Tanya Khovanova, Joel Brewster Lewis

P37
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Maximum Multiplicity of Matching Polynomial Roots and Minimum Path Cover in General Graphs

Cheng Yeaw Ku, Kok Bin Wong

P38
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Independence Complexes and Edge Covering Complexes via Alexander Duality

Kazuhiro Kawamura

P39
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On Generalized Dyck Paths

Josef Rukavicka

P40
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Counting $k$-Marked Durfee Symbols

Kağan Kurşungöz

P41
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The Disjoint $m$-Flower Intersection Problem for Latin Squares

James G. Lefevre, Thomas A. McCourt

P42
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- APPENDIX
Hyperbolicity and Chordality of a Graph

Yaokun Wu, Chengpeng Zhang

P43
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Composition Matrices, (2+2)-Free Posets and their Specializations

Mark Dukes, Vít Jelínek, Martina Kubitzke

P44
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Hurwitz Equivalence in Dihedral Groups

Emily Berger

P45
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A Multipartite Version of the Turán Problem – Density Conditions and Eigenvalues

Zoltán Lóránt Nagy

P46
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Lattice Path Proofs of Extended Bressoud-Wei and Koike Skew Schur Function Identities

A. M. Hamel, R. C. King

P47
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Loose Hamilton Cycles in Random Uniform Hypergraphs

Andrzej Dudek, Alan Frieze

P48
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The Complexity of Obtaining a Distance-Balanced Graph

Sergio Cabello, Primož Lukšič

P49
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Distinguishing Maps

Thomas W. Tucker

P50
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The Bipartite Ramsey Numbers $b(C_{2m};K_{2,2})$

Zhang Rui, Sun Yongqi

P51
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Graph Products and New Solutions to Oberwolfach Problems

Gloria Rinaldi, Tommaso Traetta

P52
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Partitioning $3$-Colored Complete Graphs into Three Monochromatic Cycles

András Gyárfás, Miklós Ruszinkó, Gábor N. Sárközy, Endre Szemerédi

P53
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Generalized Bell Polynomials and the Combinatorics of Poisson Central Moments

Nicolas Privault

P54
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The Fibonacci Dimension of a Graph

Sergio Cabello, David Eppstein, Sandi Klavžar

P55
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On a Conjecture of Frankl and Füredi

Ameera Chowdhury

P56
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Enumeration of Pin-Permutations

Frédérique Bassino, Mathilde Bouvel, Dominique Rossin

P57
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Ramanujan Type Congruences for a Partition Function

Haijian Zhao, Zheyuan Zhong

P58
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Sets of Integers that do not Contain Long Arithmetic Progressions

Kevin O'Bryant

P59
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Hybrid Proofs of the $q$-Binomial Theorem and Other Identities

Dennis Eichhorn, James McLaughlin, Andrew V. Sills

P60
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Self-dual Planar Hypergraphs and Exact Bond Percolation Thresholds

John C. Wierman, Robert M. Ziff

P61
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Perfect Matchings in Claw-free Cubic Graphs

Sang-il Oum

P62
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Hamiltonicity of $k$-Traceable Graphs

Frank Bullock, Peter Dankelmann, Marietjie Frick, Michael A. Henning, Ortrud R. Oellermann, Susan van Aardt

P63
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Lower Bounds on van der Waerden Numbers: Randomized- and Deterministic-Constructive

William Gasarch, Bernhard Haeupler

P64
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Colorings and Nowhere-Zero Flows of Graphs in Terms of Berlekamp's Switching Game

Uwe Schauz

P65
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Sweeping the ${\bf cd}$-Index and the Toric $h$-Vector

Carl W. Lee

P66
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Further Hopping with Toads and Frogs

Thotsaporn "Aek" Thanatipanonda

P67
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On the Automorphism Group of Integral Circulant Graphs

Milan Bašić, Aleksandar Ilić

P68
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Orthogonal Arrays with Parameters $OA(s^3,s^2+s+1,s,2)$ and 3-Dimensional Projective Geometries

Kazuaki Ishii

P69
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Counting Triangulations of Planar Point Sets

Micha Sharir, Adam Sheffer

P70
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Nonexistence of Graphs with Cyclic Defect

Mirka Miller

P71
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On the Chvátal-Erdős Triangle Game

József Balogh, Wojciech Samotij

P72
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Unimodality Problems of Multinomial Coefficients and Symmetric Functions

Xun-Tuan Su, Yi Wang, Yeong-Nan Yeh

P73
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General Results on the Enumeration of Strings in Dyck Paths

K. Manes, A. Sapounakis, I. Tasoulas, P. Tsikouras

P74
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Strongly Cancellative and Recovering Sets on Lattices

Hoda Bidkhori, ShinnYih Huang

P75
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Product and Puzzle Formulae for $GL_n$ Belkale-Kumar Coefficients

Allen Knutson, Kevin Purbhoo

P76
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On a New Family of Generalized Stirling and Bell Numbers

Toufik Mansour, Matthias Schork, Mark Shattuck

P77
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A $q$-Analogue of some Binomial Coefficient Identities of Y. Sun

Victor J. W. Guo, Dan-Mei Yang

P78
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Unimodal Rays in the Regular and Generalized Pascal Pyramids

Hacène Belbachir, László Szalay

P79
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Complete and Almost Complete Minors in Double-Critical $8$-Chromatic Graphs

Anders Sune Pedersen

P80
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The Tau Constant of a Metrized Graph and its Behavior under Graph Operations

Zubeyir Cinkir

P81
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Alspach's Problem: The Case of Hamilton Cycles and 5-Cycles

Heather Jordon

P82
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Two Statistics Linking Dyck Paths and Non-crossing Partitions

Haijian Zhao, Zheyuan Zhong

P83
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A Survey of Binary Covering Arrays

Jim Lawrence, Raghu N. Kacker, Yu Lei, D. Richard Kuhn, Michael Forbes

P84
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On Cubic Planar Hypohamiltonian and Hypotraceable Graphs

Makoto Araya, Gábor Wiener

P85
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Rainbow Paths with Prescribed Ends

Meysam Alishahi, Ali Taherkhani, Carsten Thomassen

P86
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A Census of Vertices by Generations in Regular Tessellations of the Plane

Alice Paul, Nicholas Pippenger

P87
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- ADDENDUM
Growth of Graph Powers

A. Pokrovskiy

P88
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Integral Quartic Cayley Graphs on Abelian Groups

A. Abdollahi, E. Vatandoost

P89
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The Ramsey Number $r(K_5-P_3,K_5)$

Luis Boza

P90
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A Decomposition Algorithm for the Oriented Adjacency Graph of the Triangulations of a Bordered Surface with Marked Points

Weiwen Gu

P91
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Exterior Pairs and Up Step Statistics on Dyck Paths

Sen-Peng Eu, Tung-Shan Fu

P92
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Extensions of Toric Varieties

Mesut Şahin

P93
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Integral Cayley Graphs Defined by Greatest Common Divisors

Walter Klotz, Torsten Sander

P94
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Minimal Weight in Union-Closed Families

Victor Falgas-Ravry

P95
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On Variants of Conway and Conolly's Meta-Fibonacci Recursions

Abraham Isgur, Mustazee Rahman

P96
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Two Characterizations of Hypercubes

Juhani Nieminen, Matti Peltola, Pasi Ruotsalainen

P97
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Counting the Number of Elements in the Mutation Classes of $\tilde A_n-$Quivers

Janine Bastian, Thomas Prellberg, Martin Rubey, Christian Stump

P98
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Embedding a Forest in a Graph

Mark K. Goldberg, Malik Magdon-Ismail

P99
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Vertex-Transitive $q$-Complementary Uniform Hypergraphs

Shonda Gosselin

P100
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The Weighted Hook Length Formula III: Shifted Tableaux

Matjaž Konvalinka

P101
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Quantum Field Theory over $\mathbb{F}_q$

Oliver Schnetz

P102
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Commuting Involution Graphs for $3$-Dimensional Unitary Groups

Alistaire Everett

P103
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Chung-Feller Property in View of Generating Functions

Shu-Chung Liu, Yi Wang, Yeong-Nan Yeh

P104
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Explicit Cayley Covers of Kautz Digraphs

Josep M. Brunat

P105
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Characterizations of Transversal and Fundamental Transversal Matroids

Joseph E. Bonin, Joseph P. S. Kung, Anna de Mier

P106
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Reduced Decompositions of Matchings

Lun Lv, Sabrina X. M. Pang

P107
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On $(\delta, \chi)$-Bounded Families of Graphs

András Gyárfás, Manouchehr Zaker

P108
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Monomer-Dimer Tatami Tilings of Rectangular Regions

Alejandro Erickson, Frank Ruskey, Jennifer Woodcock, Mark Schurch

P109
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On Vertex, Edge, and Vertex-Edge Random Graphs

Elizabeth Beer, James Allen Fill, Svante Janson, Edward R. Scheinerman

P110
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Permutation Tableaux and the Dashed Permutation Pattern 32–1

William Y.C. Chen, Lewis H. Liu

P111
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Total Weight Choosability of Graphs

Jakub Przybyło, Mariusz Woźniak

P112
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An Extension of Matroid Rank Submodularity and the $Z$-Rayleigh Property

Arun P. Mani

P113
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The Wildcard Set's Size in the Density Hales-Jewett Theorem

Randall McCutcheon

P114
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Stability Analysis for $k$-wise Intersecting Families

Vikram Kamat

P115
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Adaptive Identification in Torii in the King Lattice

Yael Ben-Haim, Sylvain Gravier, Antoine Lobstein, Julien Moncel

P116
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On the Size of Dissociated Bases

Vsevolod F. Lev, Raphael Yuster

P117
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Independence Complexes of Stable Kneser Graphs

Benjamin Braun

P118
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Rotary Polygons in Configurations

Marko Boben, Štefko Miklavič, Primož Potočnik

P119
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Blocking Wythoff Nim

Urban Larsson

P120
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Equitable Hypergraph Orientations

Yair Caro, Douglas West, Raphael Yuster

P121
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Acyclic Sets in $k$-Majority Tournaments

Kevin G. Milans, Daniel H. Schreiber, Douglas B. West

P122
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The Quantifier Semigroup for Bipartite Graphs

Leonard J. Schulman

P123
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A Note on the Critical Group of a Line Graph

David Perkinson, Nick Salter, Tianyuan Xu

P124
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Critical Exponents of Words over 3 Letters

Elise Vaslet

P125
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Minimum Weight $H$-Decompositions of Graphs: The Bipartite Case

Teresa Sousa

P126
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Subgraph Densities in Signed Graphons and the Local Simonovits–Sidorenko Conjecture

László Lovász

P127
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Partition Statistics for Cubic Partition Pairs

Byungchan Kim

P128
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Identities Derived from Noncrossing Partitions of Type $B$

William Y. C. Chen, Andrew Y. Z. Wang, Alina F. Y. Zhao

P129
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Double-Dimer Pairings and Skew Young Diagrams

Richard W. Kenyon, David B. Wilson

P130
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Enumeration of Varlet and Comer Hypergroups

H. Aghabozorgi, M. Jafarpour, B. Davvaz

P131
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Enumerating all Hamilton Cycles and Bounding the Number of Hamilton Cycles in 3-Regular Graphs

Heidi Gebauer

P132
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On the Number of Subsequences with a Given Sum in a Finite Abelian Group

Gerard Jennhwa Chang, Sheng-Hua Chen, Yongke Qu, Guoqing Wang, Haiyan Zhang

P133
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Further Applications of a Power Series Method for Pattern Avoidance

Narad Rampersad

P134
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Relating Different Cycle Spaces of the Same Infinite Graph

R. Bruce Richter, Brendan Rooney

P135
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On-line Ramsey Theory for Bounded Degree Graphs

Jane Butterfield, Tracy Grauman, William B. Kinnersley, Kevin G. Milans, Christopher Stocker, Douglas B. West

P136
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On the Area Discrepancy of Triangulations of Squares and Trapezoids

Bernd Schulze

P137
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Counting Bordered Partial Words by Critical Positions

Emily Allen, F. Blanchet-Sadri, Cameron Byrum, Mihai Cucuringu, Robert Mercaş

P138
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Uniqueness of Graph Square Roots of Girth Six

Anna Adamaszek, Michał Adamaszek

P139
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Mr. Paint and Mrs. Correct go Fractional

Grzegorz Gutowski

P140
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Computing the Domination Number of Grid Graphs

Samu Alanko, Simon Crevals, Anton Isopoussu, Patric Östergård, Ville Pettersson

P141
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A Note on Naturally Embedded Ternary Trees

Markus Kuba

P142
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Counting Words by Number of Occurrences of Some Patterns

Zhicheng Gao, Andrew MacFie, Daniel Panario

P143
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Winning Strong Games through Fast Strategies for Weak Games

Asaf Ferber, Dan Hefetz

P144
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A Strengthening of Brooks' Theorem for Line Graphs

Landon Rabern

P145
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The Möbius Function of the Consecutive Pattern Poset

Antonio Bernini, Luca Ferrari, Einar Steingrímsson

P146
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Exponential Triples

Alessandro Sisto

P147
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Toughness of $K_{a,t}$-Minor-free Graphs

Guantao Chen, Yoshimi Egawa, Ken-ichi Kawarabayashi, Bojan Mohar, Katsuhiro Ota

P148
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Long Path Lemma concerning Connectivity and Independence Number

Shinya Fujita, Alexander Halperin, Colton Magnant

P149
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Independence Number and Disjoint Theta Graphs

Shinya Fujita, Colton Magnant

P150
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Chromatic Roots of a Ring of Four Cliques

F. M. Dong, Gordon Royle, Dave Wagner

P151
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Chromatic Statistics for Triangulations and Fuß–Catalan Complexes

R. Bacher, C. Krattenthaler

P152
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The $t$-Pebbling Number is Eventually Linear in $t$

Michael Hoffmann, Jiří Matoušek, Yoshio Okamoto, Philipp Zumstein

P153
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On some Ramsey Numbers for Quadrilaterals

Janusz Dybizbański, Tomasz Dzido

P154
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On Han's Hook Length Formulas for Trees

William Y.C. Chen, Oliver X.Q. Gao, Peter L. Guo

P155
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Characteristic Polynomials of Skew-Adjacency Matrices of Oriented Graphs

Yaoping Hou, Tiangang Lei

P156
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A Note on the Speed of Hereditary Graph Properties

Vadim V. Lozin, Colin Mayhill, Victor Zamaraev

P157
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$q,t$-Catalan Numbers and Generators for the Radical Ideal defining the Diagonal Locus of $({\mathbb C}^2)^n$

Kyungyong Lee, Li Li

P158
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A Note on Obstructions to Clustered Planarity

Jamie Sneddon, Paul Bonnington

P159
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On Multivariate Chromatic Polynomials of Hypergraphs and Hyperedge Elimination

Jacob A. White

P160
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List-Distinguishing Colorings of Graphs

Michael Ferrara, Breeann Flesch, Ellen Gethner

P161
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Rainbow Matchings in Properly Edge Colored Graphs

Guanghui Wang

P162
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On the Path-Avoidance Vertex-Coloring Game

Torsten Mütze, Reto Spöhel

P163
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Isoperimetric Numbers of Regular Graphs of High Degree with Applications to Arithmetic Riemann Surfaces

Dominic Lanphier, Jason Rosenhouse

P164
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Quantum Walks on Regular Graphs and Eigenvalues

Chris Godsil, Krystal Guo

P165
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A Recurrence for Bounds on Dominating Sets in $k$-Majority Tournaments

Dror Fidler

P166
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Vertex Subsets with Minimal Width and Dual Width in $Q$-Polynomial Distance-Regular Graphs

Hajime Tanaka

P167
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No Dense Subgraphs Appear in the Triangle-free Graph Process

Stefanie Gerke, Tamás Makai

P168
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Extremal Problems for Independent Set Enumeration

Jonathan Cutler, A. J. Radcliffe

P169
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Linear Recurrence Relations for Sums of Products of Two Terms

Yan-Ping Mu

P170
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The Pentagram Integrals on Inscribed Polygons

Richard Evan Schwartz, Serge Tabachnikov

P171
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A Differential Approach for Bounding the Index of Graphs under Perturbations

C. Dalfó, M. A. Fiol, E. Garriga

P172
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Trees with an On-Line Degree Ramsey Number of Four

David Rolnick

P173
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The Complete cd-Index of Dihedral and Universal Coxeter Groups

Saúl A. Blanco

P174
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Omittable Planes

Branko Grünbaum, Jonathan Lenchner

P175
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Quantum $A_r$ $Q$-System Solutions as q-Multinomial Series

Philippe Di Francesco

P176
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A Short Approach to Catalan Numbers Modulo $2^r$

Guoce Xin, Jing-Feng Xu

P177
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Classical Sequences Revisited with Permutations Avoiding Dotted Pattern

Jean-Luc Baril

P178
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Cyclic and Dihedral 1-Factorizations of Multipartite Graphs

Mathieu Bogaerts, Giuseppe Mazzuoccolo

P179
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Graphs with equal Independence and Annihilation Numbers

C. E. Larson, R. Pepper

P180
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Domino Shuffling on Novak Half-Hexagons and Aztec Half-Diamonds

Eric Nordenstam, Benjamin Young

P181
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Applications of the Kelmans Transformation: Extremality of the Threshold Graphs

Péter Csikvári

P182
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The Signless Laplacian Spectral Radius of Unicyclic and Bicyclic Graphs with a Given Girth

Ke Li, Ligong Wang, Guopeng Zhao

P183
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Some Results for the Periodicity and Perfect State Transfer

Jiang Zhou, Changjiang Bu, Jihong Shen

P184
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The Odd and Even Intersection Properties

Victor Scharaschkin

P185
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Arbitrary Orientations of Hamilton Cycles in Oriented Graphs

Luke Kelly

P186
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Eulerian-Catalan Numbers

Hoda Bidkhori, Seth Sullivant

P187
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Labeled Trees, Functions, and an Algebraic Identity

Stephan Wagner

P188
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An Inductive Construction for Hamilton Cycles in Kneser Graphs

J. Robert Johnson

P189
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A Construction for Biembeddings of Latin Squares

M. J. Grannell, M. Knor

P190
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Spherical Venn Diagrams with Involutory Isometries

Frank Ruskey, Mark Weston

P191
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The Guessing Number of Undirected Graphs

Demetres Christofides, Klas Markström

P192
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Connected, Bounded Degree, Triangle Avoidance Games

Nishali Mehta, Ákos Seress

P193
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The Maximum Independent Sets of de Bruijn Graphs of Diameter 3

Dustin A. Cartwright, María Angélica Cueto, Enrique A. Tobis

P194
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Strengthened Brooks' Theorem for Digraphs of Girth at least Three

Ararat Harutyunyan, Bojan Mohar

P195
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Finite Groups of Derangements on the $n$-Cube II

Larry Cusick, Oscar Vega

P196
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Posets from Admissible Coxeter Sequences

Matthew Macauley, Henning S. Mortveit

P197
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Automorphism Group of the Derangement Graph

Yun-Ping Deng, Xiao-Dong Zhang

P198
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How many Faces can the Polycubes of Lattice Tilings by Translation of ${\mathbb R}^3$ have?

I. Gambini, L. Vuillon

P199
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Symmetric Distribution of Crossings and Nestings in Permutations of Type $B$

Adel Hamdi

P200
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On the Orchard Crossing Number of the Complete Bipartite Graphs $K_{n,n}$

Elie Feder, David Garber

P201
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A New Upper Bound on the Global Defensive Alliance Number in Trees

Xue-gang Chen, Wai Chee Shiu

P202
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Hamiltonian Cycles in the Square of a Graph

Jan Ekstein

P203
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Burnside-Brauer Theorem for Table Algebras

J. Bagherian, A. Rahnamai Barghi

P204
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On $(C_n;k)$ Stable Graphs

Sylwia Cichacz, Agnieszka Görlich, Magorzata Zwonek, Andrzej Żak

P205
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Limit Theorems for the Number of Parts in a Random Weighted Partition

Ljuben Mutafchiev

P206
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A Restricted Version of Wythoff's Game

Wen An Liu, Haifeng Li, Bei Li

P207
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Chordal and Sequentially Cohen-Macaulay Clutters

Russ Woodroofe

P208
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Nonrepetitive Sequences on Arithmetic Progressions

Jarosław Grytczuk, Jakub Kozik, Marcin Witkowski

P209
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On the Hyperbolicity Constant of Line Graphs

Walter Carballosa, José M. Rodríguez, José M. Sigarreta, María Villeta

P210
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Binomial Edge Ideals with Quadratic Gröbner Bases

Marilena Crupi, Giancarlo Rinaldo

P211
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Genus Distributions of 4-Regular Outerplanar Graphs

Mehvish I. Poshni, Imran F. Khan, Jonathan L. Gross

P212
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Distinct Triangle Areas in a Planar Point Set over Finite Fields

Le Anh Vinh

P213
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Minimum Light Numbers in the $\sigma$-Game and Lit-Only $\sigma$-Game on Unicyclic and Grid Graphs

John Goldwasser, Xinmao Wang, Yaokun Wu

P214
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On the Spectra of General Random Graphs

Fan Chung, Mary Radcliffe

P215
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Dot Product Representations of Planar Graphs

Ross J. Kang, László Lovász, Tobias Müller, Edward R. Scheinerman

P216
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On a Conjecture of G. Malle and G. Navarro on Nilpotent Blocks

Jean-Baptiste Gramain

P217
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A Note on Path Factors of $(3,4)$-Biregular Bipartite Graphs

Carl Johan Casselgren

P218
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Asymptotic Behaviour of the Number of Eulerian Circuits

Mikhail Isaev

P219
- PDF
An Erdős-Ko-Rado Theorem for Multisets

Karen Meagher, Alison Purdy

P220
- PDF
Equitable Partitions to Spanning Trees in a Graph

Zsolt Fekete, Jácint Szabó

P221
- PDF
Sort-Invariant Non-Messing-Up

Bridget Eileen Tenner

P222
- PDF
On Points Drawn from a Circle

Vincent Vatter, Steve Waton

P223
- PDF
Rotor-Router Aggregation on the Comb

Wilfried Huss, Ecaterina Sava

P224
- PDF
Invariant Relations and Aschbacher Classes of Finite Linear Groups

Jing Xu, Michael Giudici, Cai Heng Li, Cheryl E. Praeger

P225
- PDF
Pattern Avoidance in Ascent Sequences

Paul Duncan, Einar Steingrímsson

P226
- PDF
A Ramsey Theorem for Indecomposable Matchings

James P. Fairbanks

P227
- PDF
Average Values of some Z-Parameters in a Random Set Partition

Anisse Kasraoui

P228
- PDF
On the Unitary Cayley Signed Graphs

Deepa Sinha, Pravin Garg

P229
- PDF
Genetic Algorithms Applied to Problems of Forbidden Configurations

R. P. Anstee, Miguel Raggi

P230
- PDF
A Construction of Cospectral Graphs for the Normalized Laplacian

Steve Butler, Jason Grout

P231
- PDF
Disproof of the List Hadwiger Conjecture

János Barát, Gwenaël Joret, David R. Wood

P232
- PDF
Pentavalent Symmetric Graphs of Order $12p$

Song-Tao Guo, Jin-Xin Zhou, Yan-Quan Feng

P233
- PDF
A Polynomial Bound on the Mixing Time of a Markov Chain for Sampling Regular Directed Graphs

Catherine Greenhill

P234
- PDF
Part-Products of 1-Free Integer Compositions

Caroline Shapcott

P235
- PDF
Convergence Rates for Generalized Descents

John Pike

P236
- PDF
Intersecting Families in a Subset of Boolean Lattices

Jun Wang, Huajun Zhang

P237
- PDF