The Electronic Journal of Combinatorics, Volume 14

Volume 14, Number 1, 2007

• Yu-Shuang Li, Jun Wang:
  Erdös-Ko-Rado-Type Theorems for Colored Sets.
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• Dongsu Kim, Jang Soo Kim:
  The Initial Involution Patterns of Permutations.
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• Ahmet I. Seven:
  Recognizing Cluster Algebras of Finite Type.
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• Stefanie Gerke, Angelika Steger:
  A Characterization for Sparse epsilon-Regular Pairs.
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• Antonio Breda d'Azevedo, Rui Duarte:
  Bipartite-Uniform Hypermaps on the Sphere.
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• P. R. Herwig, M. J. H. Heule, P. M. van Lambalgen, Hans van Maaren:
  A New Method to Construct Lower Bounds for Van der Waerden Numbers.
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• Christopher Degni, Arthur A. Drisko:
  Gray-ordered Binary Necklaces.
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• Omar A. AbuGhneim, Ken W. Smith:
  Nonabelian Groups with (96, 20, 4) Difference Sets.
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• Olivier Bernardi:
  Bijective Counting of Tree-Rooted Maps and Shuffles of Parenthesis Systems.
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• Mark K. Goldberg:
  Clusters in a Multigraph with Elevated Density.
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• Piotr Sniady:
  Permutations Without Long Decreasing Subsequences and Random Matrices.
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• Terry I. Visentin, Susana W. Wieler:
  On the Genus Distribution of (p, q, n)-Dipoles.
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• R. C. King, T. A. Welsh:
  Coloured Generalised Young Diagrams for Affine Weyl-Coxeter Groups.
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• Vladimir Nikiforov:
  Revisiting Two Classical Results on Graph Spectra.
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• Gregg Musiker, James Propp:
  Combinatorial Interpretations for Rank-Two Cluster Algebras of Affine Type.
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• Irène Charon, Iiro S. Honkala, Olivier Hudry, Antoine Lobstein:
  Structural Properties of Twin-Free Graphs.
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• Michael Behrisch:
  Component Evolution in Random Intersection Graphs.
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• Edita Mácajová, Martin Skoviera:
  Constructing Hypohamiltonian Snarks with Cyclic Connectivity 5 and 6.
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• Arvind Ayyer, Doron Zeilberger:
  The Number of [Old-Time] Basketball Games with Final Score n: n where the Home Team was Never Losing but also Never Ahead by More Than w Points.
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• Michael O. Albertson, Debra L. Boutin:
  Using Determining Sets to Distinguish Kneser Graphs.
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• J. Novak:
  Truncations of Random Unitary Matrices, Young Tableaux.
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• Ellison-Anne Williams:
  A Two Parameter Chromatic Symmetric Function.
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• Brian Drake, T. Kyle Petersen:
  The m-Colored Composition Poset.
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• Eli Bagno, Ayelet Butman, David Garber:
  Statistics on the Multi-Colored Permutation Groups.
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• Cheng Yeaw Ku, Tony W. H. Wong:
  Intersecting Families in the Alternating Group and Direct Product of Symmetric Groups.
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• Mieczyslaw Borowiecki, Elzbieta Sidorowicz, Zsolt Tuza:
  Game List Colouring of Graphs.
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• Wolfgang Haas:
  Lower Bounds for the Football Pool Problem for 7 and 8 Matches.
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• David Callan:
  A Bijection on Dyck Paths and its Cycle Structure.
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• Mark E. Watkins, Xiangqian Zhou:
  Distinguishability of Locally Finite Trees.
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• Emmanuel Ferrand:
  An Analogue of the Thue-Morse Sequence.
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• Mary Flahive, Bella Bose:
  Balancing Cyclic R-ary Gray Codes.
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• Joe DeMaio:
  Which Chessboards have a Closed Knight's Tour within the Cube?.
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• Geneviève Paquin, Laurent Vuillon:
  A Characterization of Balanced Episturmian Sequences.
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• Ghassan Firro, Toufik Mansour, Mark C. Wilson:
  Longest Alternating Subsequences in Pattern-Restricted Permutations.
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• Adriana Hansberg, Dirk Meierling, Lutz Volkmann:
  Distance Domination and Distance Irredundance in Graphs.
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• Wilfried Imrich, Sandi Klavzar, Vladimir Ivanovich Trofimov:
  Distinguishing Infinite Graphs.
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• Shuhei Kamioka:
  A Combinatorial Representation with Schroder Paths of Biorthogonality of Laurent Biorthogonal Polynomials.
  Electronic Edition (link) BibTeX
• Sebastian M. Cioaba:
  The Spectral Radius and the Maximum Degree of Irregular Graphs.
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• Bart De Bruyn:
  The Universal Embedding of the Near Polygon Gn.
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• Zhen Wang, Zhixi Wang:
  The Tripartite Separability of Density Matrices of Graphs.
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• Peter Borg:
  Intersecting Systems of Signed Sets.
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• Matjaz Konvalinka:
  Non-Commutative Sylvester's Determinantal Identity.
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• Paul E. Gunnells, Richard A. Scott, Byron L. Walden:
  On Certain Integral Schreier Graphs of the Symmetric Group.
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• Søren Riis:
  Information Flows, Graphs and their Guessing Numbers.
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• Walter Klotz, Torsten Sander:
  Some Properties of Unitary Cayley Graphs.
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• Robert Brignall:
  Wreath Products of Permutation Classes.
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• Ying-Jie Liao, Min-Zheng Shieh, Shi-Chun Tsai:
  Arranging Numbers on Circles to Reach Maximum Total Variations.
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• Robert J. MacG. Dawson, Blair Doyle:
  Tilings of the sphere with right triangles III: the asymptotically obtuse families.
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• M. Parvathi, A. Tamilselvi:
  Robinson-Schensted Correspondence for the Signed Brauer Algebras.
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• Petr Kolman, Tomasz Walen:
  Reversal Distance for Strings with Duplicates: Linear Time Approximation using Hitting Set.
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• Wolfgang Haas, Jörn Quistorff:
  On Mixed Codes with Covering Radius 1 and Minimum Distance 2.
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• Fang Sun:
  On Subsequence Sums of a Zero-sum Free Sequence.
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• Kellen Myers, Aaron Robertson:
  Two Color Off-diagonal Rado-type Numbers.
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• Bart De Bruyn, Antonio Pasini:
  Generating Symplectic and Hermitian Dual Polar Spaces over Arbitrary Fields Nonisomorphic to F2.
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• Tim Paulden, David K. Smith:
  Developing New Locality Results for the Prüfer Code using a Remarkable Linear-Time Decoding Algorithm.
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• Zvezdelina Stankova:
  Shape-Wilf-Ordering on Permutations of Length 3.
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• Filippo Disanto, Andrea Frosini, Renzo Pinzani, Simone Rinaldi:
  A Closed Formula for the Number of Convex Permutominoes.
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• Tomás Feder, Pavol Hell, Wing Xie:
  Matrix Partitions with Finitely Many Obstructions.
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• D. Bernstein, A. Henke, A. Regev:
  Maximal Projective Degrees for Strict Partitions.
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• József Balogh, Béla Bollobás, Robert Morris:
  Hereditary Properties of Tournaments.
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• Maxim Krikun:
  Explicit Enumeration of Triangulations with Multiple Boundaries.
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• A. Pawel Wojda, Mariusz Wozniak, Irmina A. Ziolo:
  On Self-Complementary Cyclic Packing of Forests.
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• Linyuan Lu, László A. Székely:
  Using Lovász Local Lemma in the Space of Random Injections.
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• Markus Fulmek:
  Asymptotics of the Average Height of 2-Watermelons with a Wall.
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• Michael A. Henning, Anders Yeo:
  A New Upper Bound on the Total Domination Number of a Graph.
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• Manuel Bodirsky, Éric Fusy, Mihyun Kang, Stefan Vigerske:
  Enumeration and Asymptotic Properties of Unlabeled Outerplanar Graphs.
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• Reza Akhtar, Tao Jiang, Dan Pritikin:
  Edge-Bandwidth of the Triangular Grid.
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• Karola Mészáros:
  On the Number of Genus One Labeled Circle Trees.
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• Pavel Tumarkin:
  Compact Hyperbolic Coxeter n-Polytopes with n+3 Facets.
  Electronic Edition (link) BibTeX
• Neil A. McKay, David A. Pike:
  Existentially Closed BIBD Block-Intersection Graphs.
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• Yvan Le Borgne, Jean-François Marckert:
  Directed Animals and Gas Models Revisited.
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• David Uminsky, Karen Yeats:
  Unbounded Regions of Infinitely Logconcave Sequences.
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• David Hartvigsen:
  Maximum Cardinality 1-Restricted Simple 2-Matchings.
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• Peter Hegarty:
  Extremal Subsets of {1, ..., n} Avoiding Solutions to Linear Equations in Three Variables.
  Electronic Edition (link) BibTeX
• Massimo Giulietti:
  On Small Dense Sets in Galois Planes.
  Electronic Edition (link) BibTeX
• Mark Skandera:
  The Cluster Basis of Z[x1, 1, ..., x3, 3].
  Electronic Edition (link) BibTeX
• He Chen, Xueliang Li:
  Color Neighborhood Union Conditions for Long Heterochromatic Paths in Edge-Colored Graphs.
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• Stephanie Fried, Aydin Gerek, Gary Gordon, Andrija Perunicic:
  Matroid Automorphisms of the F4 Root System.
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• Richard P. Anstee, N. Kamoosi:
  Small Forbidden Configurations III.
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• Yan Yang, Yanpei Liu:
  Flexibility of Embeddings of Bouquets of Circles on the Projective Plane and Klein Bottle.
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• Peter J. Cameron, Ashley Montanaro, Michael W. Newman, Simone Severini, Andreas Winter:
  On the Quantum Chromatic Number of a Graph.
  Electronic Edition (link) BibTeX
• Paul Renteln:
  On the Spectrum of the Derangement Graph.
  Electronic Edition (link) BibTeX
• Roger E. Behrend, Vincent A. Knight:
  Higher Spin Alternating Sign Matrices.
  Electronic Edition (link) BibTeX

• Abraham D. Flaxman, Shlomo Hoory:
  Maximum Matchings in Regular Graphs of High Girth.
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• Iwao Sato:
  Bartholdi Zeta Functions for Hypergraphs.
  Electronic Edition (link) BibTeX
• Abraham D. Flaxman:
  The Lower Tail of the Random Minimum Spanning Tree.
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• Andrei Zelevinsky:
  Semicanonical Basis Generators of the Cluster Algebra of Type A1(1).
  Electronic Edition (link) BibTeX
• Carsten Schneider:
  Apery's Double Sum is Plain Sailing Indeed.
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• Federico Ardila:
  Transversal and Cotransversal Matroids via their Representations.
  Electronic Edition (link) BibTeX
• Wenchang Chu, Qinglun Yan:
  Unification of the Quintuple and Septuple Product Identities.
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• Hamed Hatami, Pooya Hatami:
  Perfect Dominating Sets in the Cartesian Products of Prime Cycles.
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• Steven J. Tedford:
  Connectivity of the Lifts of a Greedoid.
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• Lutz Volkmann:
  A Short Proof of a Theorem of Kano and Yu on Factors in Regular Graphs.
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• Yuqin Sun, Yusheng Li:
  A Bound for Size Ramsey Numbers of Multi-partite Graphs.
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• Ariane M. Masuda, Michael E. Zieve:
  Nonexistence of Permutation Binomials of Certain Shapes.
  Electronic Edition (link) BibTeX
• Igor Gashkov, D. Taub:
  New Optimal Constant Weight Codes.
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• Hongyu He:
  Eigenvectors and Reconstruction.
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• Aminul Huq:
  Compositions of Graphs Revisited.
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• Robin Chapman, Lauren K. Williams:
  A Conjecture of Stanley on Alternating Permutations.
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• Jian-Ping Fang:
  A Note on The Rogers-Fine Identity.
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• Gordon F. Royle:
  Graphs with Chromatic Roots in the Interval (1, 2).
  Electronic Edition (link) BibTeX
• Peter Hamburger, Penny E. Haxell, Alexandr V. Kostochka:
  On Directed Triangles in Digraphs.
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• Vladimir Nikiforov:
  The Spectral Radius of Subgraphs of Regular Graphs.
  Electronic Edition (link) BibTeX
• Béla Csaba:
  Regular Spanning Subgraphs of Bipartite Graphs of High Minimum Degree.
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• Landon Rabern:
  The Borodin-Kostochka Conjecture for Graphs Containing a Doubly Critical Edge.
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• Miroslawa Janczak:
  A Note on a Problem of Hilliker and Straus.
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• William Y. C. Chen, Jessica C. Y. Zhang:
  The Skew and Relative Derangements of Type B.
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• Byeong-Kweon Oh, Hoseog Yu:
  New Infinite Families of 3-Designs from Algebraic Curves of Higher Genus over Finite Fields.
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