Volume 6, Number 1, March 1990
: Transversal numbers of uniform hypergraphs.
: Totient-numbers of the rectangular association scheme.
: Contractions and minimalk-colorability.
Paul Y. H. Yiu
: Strongly regular graphs and Hurwitz-Radon numbers.
: On barrier sets of star-factors.
: Biased graphs whose matroids are special binary matroids.
Volume 6, Number 2, June 1990
: Events correlated with respect to every subposet of a fixed poset.
H. R. Hind
: An upper bound for the total chromatic number.
: A bijective proof of Kadell's conjecture on plane partitions.
: Every 4k-edge-connected graph is Weakly 3k-linked.
S. K. Teo
, H. P. Yap
: Packing two graphs of ordern having total size at most 2n - 2.
Volume 6, Number 3, September 1990
Philip L. Bowers
: The Borsuk dimension of a graph and Borsuk's partition conjecture for finite sets.
: Asymptotic solution of a turán-type problem.
: Minimal subschemes of the group association schemes of Mathieu groups.
: A sufficient condition for a graph to have [a, b]-factors.
: Minimum degree of bipartite graphs and the existence ofk-factors.
: Point-color-symmetric graphs with a prime number of vertices.
Volume 6, Number 4, December 1990
: Graphs of diameter 3 with the minimum number of edges.
: Paths and cycles concerning independent edges.
: A conjecture on triangles of graphs.
: Distance-regular digraphs of girth 4 over an extension ring of Z/4Z.