The Electronic Journal of Combinatorics, Volume 6

Volume 6, 1999

• Ljiljana Brankovic, Paulette Lieby, Mirka Miller:
  Flattening Antichains with Respect to the Volume.
  
• Arnold Knopfmacher, Andrew M. Odlyzko, Boris Pittel, L. Bruce Richmond, Dudley Stark, G. Szekeres, Nicholas C. Wormald:
  The Asymptotic Number of Set Partitions with Unequal Block Sizes.
  
• Aaron Robertson:
  New Lower Bounds for Some Multicolored Ramsey Numbers.
  
• Mao-cheng Cai, Yanjun Li, Mikio Kano:
  A [k, k+1]-Factor Containing A Given Hamiltonian Cycle.
  
• Yair Caro, Raphael Yuster:
  Orthogonal Colorings of Graphs.
  
• Anna Galluccio, Martin Loebl:
  On the Theory of Pfaffian Orientations. I. Perfect Matchings and Permanents.
  
• Anna Galluccio, Martin Loebl:
  On the Theory of Pfaffian Orientations. II. T-joins, k-cuts, and Duality of Enumeration.
  
• Edward A. Bender, L. Bruce Richmond:
  Multivariate Asymptotics for Products of Large Powers with Applications to Lagrange Inversion.
  
• Ian M. Wanless:
  Perfect Factorisations of Bipartite Graphs and Latin Squares Without Proper Subrectangles.
  
• George Boros, Victor H. Moll:
  A Criterion for Unimodality.
  
• Nathan Reading:
  Nim-Regularity of Graphs.
  
• Fan R. K. Chung, S.-T. Yau:
  Coverings, Heat Kernels and Spanning Trees.
  
• Alexei Borodin:
  Longest Increasing Subsequences of Random Colored Permutations.
  
• Henry Cohn:
  2-adic Behavior of Numbers of Domino Tilings.
  
• Richard A. Brualdi, Jian Shen:
  Discrepancy of Matrices of Zeros and Ones.
  
• Harald Helfgott, Ira M. Gessel:
  Tilings of Diamonds and Hexagons with Defects.
  
• Alan M. Frieze, Ravi Kannan:
  A Simple Algorithm for Constructing Szemere'di's Regularity Partition.
  
• Sergei Evdokimov, Ilia N. Ponomarenko:
  On Highly Closed Cellular Algebras and Highly Closed Isomorphisms.
  
• Gérard D. Cohen, Iiro S. Honkala, Antoine Lobstein, Gilles Zémor:
  New Bounds for Codes Identifying Vertices in Graphs.
  
• A. J. Radcliffe, Alex D. Scott:
  Reconstructing Subsets of Reals.
  
• Michael E. Hoffman:
  Derivative Polynomials, Euler Polynomials, and Associated Integer Sequences.
  
• Kevin J. Compton:
  A van der Waerden Variant.
  
• Matt Scobee:
  On a Conjecture Concerning Dyadic Oriented Matroids.
  
• Kirsten Mackenzie-Fleming:
  An infinite Family of Non-embeddable Hadamard Designs.
  
• Charles J. Colbourn, Jeffrey H. Dinitz, Alexander Rosa:
  Bicoloring Steiner Triple Systems.
  
• Bojan Mohar, Riste Skrekovski:
  The Grötzsch Theorem for the Hypergraph of Maximal Cliques.
  
• Patricia Hersh:
  Deformation of Chains via a Local Symmetric Group Action.
  
• Stephen G. Hartke, Aparna W. Higgins:
  Maximum Degree Growth of the Iterated Line Graph.
  
• Dimitris Achlioptas, Michael Molloy:
  Almost all graphs with 2.522 n edges are not 3-colorable.
  
• Theresia Eisenkölbl:
  Rhombus Tilings of a Hexagon with Two Triangles Missing on the Symmetry Axis.
  
• James B. Shearer:
  Improved LP Lower Bounds for Difference Triangle Sets.
  
• Leonard H. Soicher:
  On the Structure and Classification of SOMAs: Generalizations of Mutually Orthogonal Latin Squares.
  
• Hisashi Ito, Akiko Kato, Zsigmond Nagy, Kenneth Zeger:
  Zero Capacity Region of Multidimensional Run Length Constraints.
  
• Klaus Dohmen:
  On Sums Over Partially Ordered Sets.
  
• Michael Molloy, Bruce A. Reed:
  Critical Subgraphs of a Random Graph.
  
• Edward A. Bender, E. Rodney Canfield:
  Intersections of Randomly Embedded Sparse Graphs are Poisson.
  
• Matthias Beck:
  A Closer Look at Lattice Points in Rational Simplices.
  
• Aaron Robertson, Herbert S. Wilf, Doron Zeilberger:
  Permutation Patterns and Continued Fractions.
  
• Ernesto Vallejo:
  Stability of Kronecker Products of Irreducible Characters of the Symmetric Group.
  
• Elisa Pergola, Renzo Pinzani:
  A Combinatorial Interpretation of the Area of Schröder Paths.
  
• Mike Zabrocki:
  Positivity for special cases of (q, t)-Kostka coefficients and standard tableaux statistics.
  
• Martin Juvan, Bojan Mohar, Robin Thomas:
  List Edge-Colorings of Series-Parallel Graphs.
  
• Eldar Fischer:
  Induced Complete h-partite Graphs in Dense Clique-less Graphs.
  
• John W. Nicol:
  A Fibonacci-like Sequence of Composite Numbers.
  

• Richard Arratia:
  On the Stanley-Wilf Conjecture for the Number of Permutations Avoiding a Given Pattern.
  
• Akalu Tefera:
  A Multiple Integral Evaluation Inspired by the Multi-WZ Method.