Volume 120, Numbers 1-3, September 1993
: Construction of new symmetric designs with parameters (70, 24, 8).
: Maximal partial spreads and the modular n-queen problem.
Yaakov S. Kupitz
: On the existence of a combinatorial Schlegel diagram of a simplical unstacked 3-polytope with a prescribed set of vertices.
Richard P. Stanley
: A combinatorial decomposition of acyclic simplicial complexes.
: On locally k-critically n-connected graphs.
: A characterization of intersection graphs of the maximal rectangles of a polyomino.
: A constructing method of a class of SIDS(n).
I. M. Chakravarti
: A three-class association scheme on the flags of a finite projective plane and a (PBIB) design defined by the incidence of the flags and the Baer subplanes in PG(2, q2).
: On Rota's problem of the explicit representation for umbral operators.
: On the divisibility of the cycle number by 7.
: P2p-factorization of a complete bipartite graph.