The Electronic Journal of Combinatorics, Volume 7

Volume 7, 2000

Research Papers

Hadi Kharaghani:
On the Twin Designs with the Ionin-type Parameters.
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Eric Mendelsohn, Gaetano Quattrocchi:
Resolving Triple Systems into Regular Configurations.
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Niklas Eriksen, Henrik Eriksson, Kimmo Eriksson:
Diagonal Checker-jumping and Eulerian Numbers for Color-signed Permutations.
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Vsevolod F. Lev:
Restricted set addition in groups, II. A generalization of the Erdo"s-Heilbronn conjecture.
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Boris Pittel:
Where the Typical Set Partitions Meet and Join.
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David Savitt, Richard P. Stanley:
A Note on the Symmetric Powers of the Standard Representation of S_n.
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Magnús M. Halldórsson:
Online Coloring Known Graphs.
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Lisa McShine:
Random Sampling of Labeled Tournaments.
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Rodica Simion:
Combinatorial statistics on type-B analogues of noncrossing partitions and restricted permutations.
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C. H. C. Little, A. E. Campbell:
Evolutionary Familes of Sets.
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Thomas Honold, Ivan N. Landjev:
Linear Codes over Finite Chain Rings.
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Elias M. Hagos:
The Characteristic Polynomial of a Graph is Reconstructible from the Characteristic Polynomials of its Vertex-Deleted Subgraphs and Their Complements.
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Malcolm Greig:
Some Pairwise Balanced Designs.
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André Bouchet, Bill Jackson:
Parity Systems and the Delta-Matroid Intersection Problem.
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Vince Grolmusz:
Low Rank Co-Diagonal Matrices and Ramsey Graphs.
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Petra M. Gleiss, Josef Leydold, Peter F. Stadler:
Interchangeability of Relevant Cycles in Graphs.
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Toufik Mansour, Alek Vainshtein:
Restricted Permutations, Continued Fractions, and Chebyshev Polynomials.
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Béla Bollobás, Oliver Riordan:
Constrained Graph Processes.
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Tom Bohman, Alan M. Frieze, Miklós Ruszinkó, Lubos Thoma:
Note on Sparse Random Graphs and Cover Graphs.
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R. Milson:
Composition Sum Identities Related to the Distribution of Coordinate Values in a Discrete Simplex.
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André Poenitz, Peter Tittmann:
Improved Upper Bounds for Self-Avoiding Walks in Zd.
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Edward Spence:
The Strongly Regular (40, 12, 2, 4) Graphs.
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Robert Gill:
The Action of the Symmetric Group on a Generalized Partition Semilattice.
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Albin L. Jones:
A Short Proof of a Partition Relation for Triples.
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Richard Kenyon, James Gary Propp, David Bruce Wilson:
Trees and Matchings.
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Tom Bohman, Colin Cooper, Alan M. Frieze:
Min-Wise Independent Linear Permutations.
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Christian Krattenthaler:
Bijections for Hook Pair Identities.
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Alexei Borodin, Grigori Olshanski:
Harmonic Functions on Multiplicative Graphs and Interpolation Polynomials.
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Alexis C. Kaporis, Lefteris M. Kirousis, Yannis C. Stamatiou:
A Note on the Non-Colorability Threshold of a Random Graph.
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Tomasz Schoen:
A Note on the Number of (k, l)-Sum-Free Sets.
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Sergei Evdokimov, Ilia N. Ponomarenko:
Separability Number and Schurity Number of Coherent Configurations.
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Harold Fredricksen, Melvin M. Sweet:
Symmetric Sum-Free Partitions and Lower Bounds for Schur Numbers.
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Jason P. Bell, Edward A. Bender, Peter J. Cameron, L. Bruce Richmond:
Asymptotics for the Probability of Connectedness and the Distribution of Number of Components.
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Martin Klazar:
Counting Pattern-free Set Partitions II: Noncrossing and Other Hypergraphs.
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Marc A. A. van Leeuwen:
Some Bijective Correspondences Involving Domino Tableaux.
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Jason P. Bell:
When Structures Are Almost Surely Connected.
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Benjamin Wieland:
Large Dihedral Symmetry of the Set of Alternating Sign Matrices.
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László Babai, Peter J. Cameron:
Automorphisms and Enumeration of Switching Classes of Tournaments.
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Charles Knessl, Wojciech Szpankowski:
A Note on the Asymptotic Behavior of the Heights in b-Tries for b Large.
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Robert A. Sulanke:
Counting Lattice Paths by Narayana Polynomials.
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Alan M. Frieze, Miklós Ruszinkó, Lubos Thoma:
A Note on Random Minimum Length Spanning Trees.
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Holger Glaab, Alexander Pott:
The Hamiltonian p-Median Problem.
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Paul J. Tanenbaum:
Bound Graph Polysemy.
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Matthew Cook, Michael Kleber:
Tournament Sequences and Meeussen Sequences.
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Mahendra Jani, Robert G. Rieper:
Continued Fractions and Catalan Problems.
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David W. Boll, Jerry Donovan, Ronald L. Graham, Boris D. Lubachevsky:
Improving Dense Packings of Equal Disks in a Square.
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Yair Caro, Raphael Yuster:
A Tura'n Type Problem Concerning the Powers of the Degrees of a Graph.
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Benjamin Doerr:
Linear Discrepancy of Basic Totally Unimodular Matrices.
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Randall McCutcheon:
Two New Extensions of the Hales-Jewett Theorem.
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Lane H. Clark:
An Asymptotic Expansion for the Number of Permutations with a Certain Number of Inversions.
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Miguel Angel Fiol:
Quasi-Spectral Characterization of Strongly Distance-Regular Graphs.
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Taras O. Banakh, O. V. Verbitsky, Ya. Vorobets:
A Ramsey Treatment of Symmetry.
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Mike Develin:
A Complete Categorization of When Generalized Tribonacci Sequences Can Be Avoided by Additive Partitions.
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Robin J. Chapman:
Franklin's Argument Proves an Identity of Zagier.
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D. de Caen:
Large Equiangular Sets of Lines in Euclidean Space.
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Vassili C. Mavron:
Frequency Squares and Affine Designs.
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Alan M. Frieze:
On the Number of Perfect Matchings and Hamilton Cycles in e-Regular Non-bipartite Graphs.
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W. Edwin Clark, Larry A. Dunning, Stephen Suen:
Tight Upper Bounds for the Domination Numbers of Graphs with Given Order and Minimum Degree, II.
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Peter A. Hästö:
On Descents in Standard Young Tableaux.
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André Kündgen, Eric Mendelsohn, Vitaly I. Voloshin:
Colouring Planar Mixed Hypergraphs.
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Notes

Luc Lapointe, Alain Lascoux, Jennifer Morse:
Determinantal Expression and Recursion for Jack Polynomials.
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Daniel A. Spielman, Miklós Bóna:
An Infinite Antichain of Permutations.
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Vera Rosta:
Note on Gy. Elekes's Conjectures Concerning Unavoidable Patterns in Proper Colorings.
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W. Edwin Clark, Stephen Suen:
Inequality Related to Vizing's Conjecture.
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Vassili C. Mavron:
A Construction Method for Complete Sets of Mutually Orthogonal Frequency Squares.
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Tewodros Amdeberhan:
A Determinant of the Chudnovskys Generalizing the Elliptic Frobenius-Stickelberger-Cauchy Determinantal Identity.
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