## Volume 6 (1999)

#### Research Papers

 Flattening Antichains with Respect to the Volume PDF Ljiljana Brankovic, Paulette Lieby, Mirka Miller R1
 The Asymptotic Number of Set Partitions with Unequal Block Sizes PDF A. Knopfmacher, A. M. Odlyzko, B. Pittel, L. B. Richmond, D. Stark, G. Szekeres, N. C. Wormald R2
 New Lower Bounds for Some Multicolored Ramsey Numbers PDF Aaron Robertson R3
 A $[k,k+1]$-Factor Containing A Given Hamiltonian Cycle PDF Cai Mao-cheng, Yanjun Li, Mikio Kano R4
 Orthogonal Colorings of Graphs PDF Yair Caro, Raphael Yuster R5
 On the Theory of Pfaffian Orientations. I. Perfect Matchings and Permanents PDF Anna Galluccio, Martin Loebl R6
 On the Theory of Pfaffian Orientations. II. $T$-joins, $k$-cuts, and Duality of Enumeration PDF Anna Galluccio, Martin Loebl R7
 Multivariate Asymptotics for Products of Large Powers with Applications to Lagrange Inversion PDF Edward A. Bender, L. Bruce Richmond R8
 Perfect Factorisations of Bipartite Graphs and Latin Squares Without Proper Subrectangles PDF I. M. Wanless R9
 A Criterion for Unimodality PDF George Boros, Victor H. Moll R10
 Nim-Regularity of Graphs PDF Nathan Reading R11
 Coverings, Heat Kernels and Spanning Trees PDF Fan Chung, S.-T. Yau R12
 Longest Increasing Subsequences of Random Colored Permutations PDF Alexei Borodin R13
 $2$-adic Behavior of Numbers of Domino Tilings PDF Henry Cohn R14
 Discrepancy of Matrices of Zeros and Ones PDF R. A. Brualdi, J. Shen R15
 Tilings of Diamonds and Hexagons with Defects PDF Harald A. Helfgott, Ira M. Gessel R16
 A Simple Algorithm for Constructing Szemerédi's Regularity Partition PDF Alan Frieze, Ravi Kannan R17
 On Highly Closed Cellular Algebras and Highly Closed Isomorphisms PDF Sergei Evdokimov, Ilia Ponomarenko R18
 New Bounds for Codes Identifying Vertices in Graphs PDF COMMENT Gérard Cohen, Iiro Honkala, Antoine Lobstein, Gilles Zémor R19
 Reconstructing Subsets of Reals PDF A. J. Radcliffe, A. D. Scott R20
 Derivative Polynomials, Euler Polynomials, and Associated Integer Sequences PDF Michael E. Hoffman R21
 A van der Waerden Variant PDF APPENDIX Kevin J. Compton R22
 On a Conjecture Concerning Dyadic Oriented Matroids PDF Matt Scobee R23
 An infinite Family of Non-embeddable Hadamard Designs PDF K. Mackenzie-Fleming R24
 Bicoloring Steiner Triple Systems PDF Charles J. Colbourn, Jeffrey H. Dinitz, Alexander Rosa R25
 The Grötzsch Theorem for the Hypergraph of Maximal Cliques PDF Bojan Mohar, Riste Skrekovski R26
 Deformation of Chains via a Local Symmetric Group Action PDF Patricia Hersh R27
 Maximum Degree Growth of the Iterated Line Graph PDF Stephen G. Hartke, Aparna W. Higgins R28
 Almost all graphs with $2.522 n$ edges are not 3-colorable PDF Dimitris Achlioptas, Michael Molloy R29
 Rhombus Tilings of a Hexagon with Two Triangles Missing on the Symmetry Axis PDF Theresia Eisenkölbl R30
 Improved LP Lower Bounds for Difference Triangle Sets PDF James B. Shearer R31
 On the Structure and Classification of SOMAs: Generalizations of Mutually Orthogonal Latin Squares PDF COMMENT Leonard H. Soicher R32
 Zero Capacity Region of Multidimensional Run Length Constraints PDF Hisashi Ito, Akiko Kato, Zsigmond Nagy, Kenneth Zeger R33
 On Sums Over Partially Ordered Sets PDF Klaus Dohmen R34
 Critical Subgraphs of a Random Graph PDF Michael Molloy, Bruce Reed R35
 Intersections of Randomly Embedded Sparse Graphs are Poisson PDF Edward A. Bender, E. Rodney Canfield R36
 A Closer Look at Lattice Points in Rational Simplices PDF Matthias Beck R37
 Permutation Patterns and Continued Fractions PDF APPENDIX Aaron Robertson, Herbert S. Wilf, Doron Zeilberger R38
 Stability of Kronecker Products of Irreducible Characters of the Symmetric Group PDF Ernesto Vallejo R39
 A Combinatorial Interpretation of the Area of Schröder Paths PDF E. Pergola, R. Pinzani R40
 Positivity for Special Cases of $(q,t)$-Kostka Coefficients and Standard Tableaux Statistics PDF Mike Zabrocki R41
 List Edge-Colorings of Series-Parallel Graphs PDF Martin Juvan, Bojan Mohar, Robin Thomas R42
 Induced Complete $h$-partite Graphs in Dense Clique-less Graphs PDF Eldar Fischer R43
 A Fibonacci-like Sequence of Composite Numbers PDF John W. Nicol R44

#### Notes

 On the Stanley-Wilf Conjecture for the Number of Permutations Avoiding a Given Pattern PDF Richard Arratia N1
 A Multiple Integral Evaluation Inspired by the Multi-WZ Method PDF Akalu Tefera N2

ISSN: 1077-8926