Journal of Combinatorial Theory, Series A, Volume 74

Volume 74, Number 1, April 1996

• William M. Kantor, Michael E. Williams:
  New Flag-Transitive Affine Planes of Even Order. 1-13
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• David M. Jackson, Terry I. Visentin:
  A Formulation for the Genus Series for Regular Maps. 14-32
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• Peter Frankl, Katsuhiro Ota, Norihide Tokushige:
  Covers in Uniform Intersecting Families and a Counterexample to a Conjecture of Lovász. 33-42
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• Martin Aigner:
  Searching with Lies. 43-56
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• Edward A. Bender, E. Rodney Canfield:
  Log-Concavity and Related Properties of the Cycle Index Polynomials. 57-70
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• Ilia Krasikov, Simon Litsyn:
  On Integral Zeros of Krawtchouk Polynomials. 71-99
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• Yury J. Ionin, Mohan S. Shrikhande:
  On the lamda -Design Conjecture. 100-114
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• Ding-Zhu Du, Warren D. Smith:
  Disproofs of Generalized Gilbert - Pollak Conjecture on the Steiner Ratio in Three or More Dimensions. 115-130
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• David J. Balding, David C. Torney:
  Optimal Pooling Designs with Error Detection. 131-140
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• Tamás Szonyi:
  On the Number of Directions Determined by a Set of Points in an Affine Galois Plane. 141-146
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• Colin McDiarmid, Angelika Steger:
  Tidier Examples for Lower Bounds on Diagonal Ramsey Numbers. 147-152
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• Christos Koukouvinos, Albert Leon Whiteman:
  Relative Difference Sets. 153-157
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• Hiroshi Suzuki:
  A Note on Association Schemes with Two P-Polynomial Structures of Type III. 158-168
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• Richard P. Stanley:
  A Matrix for Counting Paths in Acyclic Digraphs. 169-172
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Volume 74, Number 2, May 1996

• Ira M. Gessel, Wayne Goddard, Walter Shur, Herbert S. Wilf, Lily Yen:
  Counting Pairs of Lattice Paths by Intersections. 173-187
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• Neil Hindman, Amir Maleki, Dona Strauss:
  Central Sets and Their Combinatorial Characterization. 188-208
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• Hanno Lefmann, Vojtech Rödl, Beata Wysocka:
  Multicolored Subsets in Colored Hypergraphs. 209-248
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• Gregory L. Cherlin, Gary A. Martin, Dan Saracino:
  Arities of Permutation Groups: Wreath Products and k-Sets. 249-286
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• Valery B. Mnukhin, Johannes Siemons:
  The Modular Homology of Inclusion Maps and Group Actions. 287-300
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• Phil Hanlon:
  Otter's Method and the Homology of Homeomorphically Irreduciblek-Trees. 301-320
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• Richard Kenyon:
  A Note on Tiling with Integer-Sided Rectangles. 321-332
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• Aiden A. Bruen, David L. Wehlau, Zhang Zhaoji:
  Unimodular Matrices and Parsons Numbers. 333-336
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• Xiang-dong Hou:
  Covering Radius of the Reed-Muller CodeR(1, 7) - A Simpler Proof. 337-341
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• William F. Doran IV:
  A Proof of Reutenauer's -q(_n) Conjecture. 342-344
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• Kirsten Mackenzie-Fleming:
  An Infinite Family of Non-embeddable Quasi-Residual Designs with k<v/2. 345-350
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• Christian Krattenthaler:
  Combinatorial Proof of the Log-Concavity of the Sequence of Matching Numbers. 351-354
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