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The Electronic Journal of Combinatorics, Volume 22
Volume 22, Number 1, 2015
- Anthony Nixon, Elissa Ross:
Periodic Rigidity on a Variable Torus Using Inductive Constructions. 1 - Ping Sun:
Evaluating the Numbers of some Skew Standard Young Tableaux of Truncated Shapes. 1 - Éva Czabarka, Rigoberto Flórez, Leandro Junes:
Some Enumerations on Non-Decreasing Dyck Paths. 1 - Alan Guo:
Group Homomorphisms as Error Correcting Codes. 1 - Ilse Fischer:
Vertically Symmetric Alternating Sign Matrices and a Multivariate Laurent Polynomial Identity. 1 - Fei-Huang Chang, Hong-Bin Chen, Jun-Yi Guo, Yu-Pei Huang:
On-Line Choice Number of Complete Multipartite Graphs: an Algorithmic Approach. 1 - Stefano Brocchi, Giuseppa Castiglione, Paolo Massazza:
On Computing the Degree of Convexity of Polyominoes. 1 - Ernest X. W. Xia:
The Concavity and Convexity of the Boros-Moll Sequences. 1 - Quan-Hui Yang:
Proof of a Conjecture of Amdeberhan and Moll on a Divisibility Property of Binomial Coefficients. 1 - Martin Loebl, Petr Somberg:
Discrete Dirac Operators, Critical Embeddings and Ihara-Selberg Functions. 1 - Robert Lukot'ka, Ján Mazák, Xuding Zhu:
Maximum 4-Degenerate Subgraph of a Planar Graph. 1 - Sho Suda:
Characterizations of Regularity for certain $Q$-Polynomial Association Schemes. 1 - Mikio Kano, Kenta Ozeki, Kazuhiro Suzuki, Masao Tsugaki, Tomoki Yamashita:
Spanning $k$-trees of Bipartite Graphs. 1 - Lily Yen:
Crossings and Nestings for Arc-Coloured Permutations and Automation. 1 - Joanna Cyman, Tomasz Dzido, John Lapinskas, Allan Lo:
On-line Ramsey Numbers of Paths and Cycles. 1 - Andrzej P. Kisielewicz, Magdalena Lysakowska:
On Keller's Conjecture in Dimension Seven. 1 - Evgeniy Krasko, Alexander Omelchenko:
Brown's Theorem and its Application for Enumeration of Dissections and Planar Trees. 1 - István Kovács, Géza Tóth:
Multiple Coverings with Closed Polygons. 1 - Wolfgang Knapp, Hans-Jörg Schaeffer:
On the Codes Related to the Higman-Sims Graph. 1 - Sherry H. F. Yan, Huiyun Ge, Yaqiu Zhang:
On a Refinement of Wilf-equivalence for Permutations. 1 - Athirah Nawawi, Peter Rowley:
On Commuting Graphs for Elements of Order 3 in Symmetric Groups. 1 - Vito Napolitano:
A Characterization of the Hermitian Variety in Finite 3-Dimensional Projective Spaces. 1 - Konstantinos Panagiotou, Ali Pourmiri, Thomas Sauerwald:
Faster Rumor Spreading With Multiple Calls. 1 - Arnau Padrol, Julian Pfeifle:
Polygons as Sections of Higher-Dimensional Polytopes. 1 - Michael D. Hirschhorn, Pee Choon Toh:
On a Certain Vector Crank Modulo 7. 1 - Sabine Beil, Ilse Fischer, Philippe Nadeau:
Wieland Drift for Triangular Fully Packed Loop Configurations. 1 - Aline Parreau, Michel Rigo, Eric Rowland, Élise Vandomme:
A New Approach to the 2-Regularity of the ℓ-Abelian Complexity of 2-Automatic Sequences. 1 - Colton Magnant:
Density of Gallai Multigraphs. 1 - Deepak Bal, Patrick Bennett, Alan M. Frieze, Pawel Pralat:
Power of k Choices and Rainbow Spanning Trees in Random Graphs. 1 - Balázs Patkós:
Induced and Non-induced Forbidden Subposet Problems. 1 - Svante Janson:
Maximal Clades in Random Binary Search Trees. 1 - Mark Lewko:
An improved lower bound related to the Furstenberg-Sárközy theorem. 1 - Tobias Johnson:
Exchangeable Pairs, Switchings, and Random Regular Graphs. 1 - Alan M. Frieze, Wesley Pegden:
Between 2- and 3-Colorability. 1 - Milos Tatarevic:
On Limits of Dense Packing of Equal Spheres in a Cube. 1 - Rajendra M. Pawale, Mohan S. Shrikhande, Shubhada M. Nyayate:
Conditions for the Parameters of the Block Graph of Quasi-Symmetric Designs. 1 - Bobby DeMarco, Jeff Kahn, Amanda Redlich:
Modular Statistics for Subgraph Counts in Sparse Random Graphs. 1 - José Luis Ramírez, Víctor F. Sirvent:
A Generalization of the $k$-Bonacci Sequence from Riordan Arrays. 1 - Alberto Facchini, André Leroy:
Leapfrog Constructions: From Continuant Polynomials to Permanents of Matrices. 1 - Ljuben R. Mutafchiev:
A Note on Goldbach Partitions of Large Even Integers. 1 - Emmanuel Tsukerman:
The Maximum Difference between the Number of Atoms and Number of Coatoms of a Bruhat Interval of the Symmetric Group. 1 - Vasu Tewari:
Backward Jeu de Taquin Slides for Composition Tableaux and a Noncommutative Pieri Rule. 1 - Reinhard Diestel:
Forcing Finite Minors in Sparse Infinite Graphs by Large-Degree Assumptions. 1 - Ayush Choure, Sundar Vishwanathan:
On Graph Parameters Guaranteeing Fast Sandpile Diffusion. 1 - Miguel Angel Fiol, J. Vilaltella:
Some Results on the Structure of Multipoles in the Study of Snarks. 1 - Seog-Jin Kim, Boram Park:
Bipartite Graphs whose Squares are not Chromatic-Choosable. 1 - Catarina Carvalho, László Egri, Marcel Jackson, Todd Niven:
On Maltsev Digraphs. 1 - Igor Pak, Robin Pemantle:
On the Longest $k$-Alternating Subsequence. 1 - Sara Rottey, Geertrui Van de Voorde:
Characterisations of Elementary Pseudo-Caps and Good Eggs. 1 - Nicholas J. Cavenagh:
Decomposing Dense Bipartite Graphs into 4-Cycles. 1 - Robert Lukotka, Edita Mácajová, Ján Mazák, Martin Skoviera:
Small Snarks with Large Oddness. 1 - Éric Fusy, Adrian Tanasa:
Asymptotic Expansion of the Multi-Orientable Random Tensor Model. 1 - Seyed Hadi Afzali Borujeni, Hiu-Fai Law, Malte Müller:
Infinite Gammoids. 1 - Jorge Alberto Olarte:
Gammoids, Pseudomodularity and Flatness Degree. 1 - Mike Müller, Svetlana Puzynina, Michaël Rao:
On Shuffling of Infinite Square-Free Words. 1 - Stavros Kousidis, Ernst Schulte-Geers:
Distributions Defined by $q$-Supernomials, Fusion Products, and Demazure Modules. 1 - Mickaël Montassier, Pascal Ochem:
Near-Colorings: Non-Colorable Graphs and NP-Completeness. 1 - Andrew M. Baxter, Lara Pudwell:
Ascent Sequences Avoiding Pairs of Patterns. 1 - Jean-Paul Allouche, Jonathan Sondow:
Summation of Rational Series Twisted by Strongly $B$-multiplicative Coefficients. 1 - Dennis Clemens, Julia Ehrenmüller, Yury Person, Tuan Tran:
Keeping Avoider's Graph Almost Acyclic. 1 - Asaf Ferber:
Closing Gaps in Problems related to Hamilton Cycles in Random Graphs and Hypergraphs. 1 - Wei-Guo Chen, Zhi-Hong Chen, Mei Lu:
Lai's Conditions for Spanning and Dominating Closed Trails. 1 - Emma L. Connon, Sara Faridi:
A Criterion for a Monomial Ideal to have a Linear Resolution in Characteristic 2. 1 - Paul R. G. Mortimer, Thomas Prellberg:
On the Number of Walks in a Triangular Domain. 1 - Oswin Aichholzer, Andrei Asinowski, Tillmann Miltzow:
Disjoint Compatibility Graph of Non-Crossing Matchings of Points in Convex Position. 1 - Laura Florescu, Daniela Morar, David Perkinson, Nicholas Salter, Tianyuan Xu:
Sandpiles and Dominos. 1 - Andreas Paffenholz:
Faces of Birkhoff Polytopes. 1 - James J. Y. Zhao:
A Bijective Proof of the Alladi-Andrews-Gordon Partition Theorem. 1 - Daniel J. Poole:
On the Strength of Connectedness of a Random Hypergraph. 1 - Laurent Beaudou, J. Adrian Bondy, Xiaomin Chen, Ehsan Chiniforooshan, Maria Chudnovsky, Vasek Chvátal, Nicolas Fraiman, Yori Zwols:
A De Bruijn-Erdős Theorem for Chordal Graphs. 1 - Xiaolin Chen, Xueliang Li, Huishu Lian:
Solution to a Conjecture on the Maximum Skew-Spectral Radius of Odd-Cycle Graphs. 1 - Natacha Astromujoff, Martín Matamala:
A Quantitative Approach to Perfect One-Factorizations of Complete Bipartite Graphs. 1 - Anne Schilling, Travis Scrimshaw:
Crystal Structure on Rigged Configurations and the Filling Map. 1 - Dan Archdeacon:
Heffter Arrays and Biembedding Graphs on Surfaces. 1 - Mina Bigdeli, Jürgen Herzog, Takayuki Hibi, Antonio Macchia:
Simplicial Complexes of Whisker Type. 1 - Jun-Yang Zhang:
Vertex-Transitive Digraphs of Order $p^5$ are Hamiltonian. 1 - Marko Boben, Robert Jajcay, Tomaz Pisanski:
Generalized Cages. 1 - Izak Broere, Monika Pilsniak:
The Distinguishing Index of Infinite Graphs. 1 - Gary Gordon:
Linear Relations for a Generalized Tutte Polynomial. 1 - Shagnik Das, Benny Sudakov:
Most Probably Intersecting Hypergraphs. 1 - Thomas Britz, Nicholas J. Cavenagh, Henrik Kragh Sørensen:
Maximal Partial Latin Cubes. 1 - Feng Ming Dong:
On Graphs Having no Flow Roots in the Interval $(1, 2)$. 1 - Zoltán Lóránt Nagy, Balázs Patkós:
On the Number of Maximal Intersecting $k$-Uniform Families and Further Applications of Tuza's Set Pair Method. 1 - Cheng Yeaw Ku, Kok Bin Wong:
A Deza-Frankl Type Theorem for Set Partitions. 1
Volume 22, Number 2, 2015
- Daniel W. Cranston, Landon Rabern:
A Note on Coloring Vertex-transitive Graphs. 2 - Michael H. Albert, Cheyne Homberger, Jay Pantone:
Equipopularity Classes in the Separable Permutations. 2 - Luis Pedro Montejano, Jorge L. Ramírez Alfonsín:
Roudneff's Conjecture for Lawrence Oriented Matroids. 2 - Hiraku Abe:
Young Diagrams and Intersection Numbers for Toric Manifolds associated with Weyl Chambers. 2 - Veselin Jungic, Julian Sahasrabudhe:
Permutations Destroying Arithmetic Structure. 2 - Shenglin Zhou, Yajie Wang:
Flag-transitive Non-symmetric 2-designs with $(r, \lambda)=1$ and Alternating Socle. 2 - Christos A. Athanasiadis:
Power Sum Expansion of Chromatic Quasisymmetric Functions. 2 - Roy Oste, Joris Van der Jeugt:
Motzkin Paths, Motzkin Polynomials and Recurrence Relations. 2 - Valentin Borozan, Gerard Jennhwa Chang, Nathann Cohen, Shinya Fujita, Narayanan Narayanan, Reza Naserasr, Petru Valicov:
From Edge-Coloring to Strong Edge-Coloring. 2 - Marién Abreu, Gabriela Araujo-Pardo, Camino Balbuena, Domenico Labbate:
A Construction of Small (q-1)-Regular Graphs of Girth 8. 2 - Vineet Gupta, Uma Roy, Roger Van Peski:
A Generalization of Tokuyama's Formula to the Hall-Littlewood Polynomials. 2 - Cheng Yeaw Ku, Kok Bin Wong:
A Generalization of Very Odd Sequences. 2 - Albert Gu:
Sprague-Grundy Values of the $\mathcal{R}$-Wythoff Game. 2 - Thomas Mahoney, Jixian Meng, Xuding Zhu:
Characterization of $(2m, m)$-Paintable Graphs. 2 - Camino Balbuena, Florent Foucaud, Adriana Hansberg:
Locating-Dominating Sets and Identifying Codes in Graphs of Girth at least 5. 2 - Murray Elder, Geoffrey Lee, Andrew Rechnitzer:
Permutations Generated by a Depth 2 Stack and an Infinite Stack in Series are Algebraic. 2 - Robert Davis:
Ehrhart Series of Polytopes Related to Symmetric Doubly-Stochastic Matrices. 2 - Victor Lambert:
On Modular k-Free Sets. 2 - Clemens Heuberger, Sara Kropf, Helmut Prodinger:
Output Sum of Transducers: Limiting Distribution and Periodic Fluctuation. 2 - Aistis Atminas, Robert Brignall, Nicholas Korpelainen, Vadim V. Lozin, Vincent Vatter:
Well-Quasi-Order for Permutation Graphs Omitting a Path and a Clique. 2 - Xing Peng, Michael Tait, Craig Timmons:
On the Chromatic Number of the Erdős-Rényi Orthogonal Polarity Graph. 2 - David Callan, Shi-Mei Ma, Toufik Mansour:
Some Combinatorial Arrays Related to the Lotka-Volterra System. 2 - Mike J. Grannell, Justin Z. Schroeder:
Biembeddings of 2-Rotational Steiner Triple Systems. 2 - Karl Dilcher, Larry Ericksen:
Hyperbinary Expansions and Stern Polynomials. 2 - Mauro Di Nasso:
Intersections of Shifted Sets. 2 - Erik Insko:
Schubert Calculus and the Homology of the Peterson Variety. 2 - Ron Aharoni, Ron Holzman, David M. Howard, Philipp Sprüssel:
Cooperative Colorings and Independent Systems of Representatives. 2 - Marston D. E. Conder, Ricardo Grande:
On Embeddings of Circulant Graphs. 2 - Neil Hindman, Imre Leader, Dona Strauss:
Extensions of Infinite Partition Regular Systems. 2 - Carolyn Chun, Deborah Chun, Dillon Mayhew, Stefan H. M. van Zwam:
Fan-Extensions in Fragile Matroids. 2 - Amol Aggarwal:
When Does the Set of $(a, b, c)$-Core Partitions Have a Unique Maximal Element? 2 - Pawel Pralat:
Containment Game Played on Random Graphs: Another Zig-Zag Theorem. 2 - Jaka Kranjc, Borut Luzar, Martina Mockovciaková, Roman Soták:
On a Generalization of Thue Sequences. 2 - Matthias Hamann:
Generating the Cycle Space of Planar Graphs. 2 - Dwight Duffus, Kyle Thayer:
Symmetric Chain Decompositions of Quotients by Wreath Products. 2 - Bjarke Hammersholt Roune, Kevin Woods:
The Parametric Frobenius Problem. 2 - Yu-Pei Huang, Yeh-jong Pan, Chih-Wen Weng:
Nonexistence of a Class of Distance-Regular Graphs. 2 - Marie Albenque, Dominique Poulalhon:
A Generic Method for Bijections between Blossoming Trees and Planar Maps. 2 - Ehud Friedgut, Jeff Kahn, Clara Shikhelman:
Thresholds and Expectation-Thresholds of Monotone Properties with Small Minterms. 2 - Henri Mühle:
SB-Lattices, Distributivity, and Bruhat Order on Sortable Elements. 2 - Alan M. Frieze, Dieter Mitsche, Xavier Pérez-Giménez, Pawel Pralat:
On-line List Colouring of Random Graphs. 2 - Angèle M. Hamel, Ronald C. King:
Tokuyama's Identity for Factorial Schur $P$ and $Q$ Functions. 2 - Ashish Mishra, Murali K. Srinivasan:
Wreath Product Action on Generalized Boolean Algebras. 2