to Ramsey theory.- On automorphisms of doubly resolvable designs.- A computer search for B-coverings.- Some new results on the covering numbers N(t,k,v).- Degree sequences uniquely realisable by hypergraphs.- On generating spatial configurations with identical interpoint distance distributions.- Prime bollean matrices.- Circulant (v,k,?) designs.- Pseudographic realizations of an infinitary degree sequence.- Determining the asymptotic number of phylogenetic trees.- Graphs with regular neighbourhoods.- An approximation algorithm for computing the permanent.- The incidence algebra of a group reduced partially ordered set.- Doubly and orthogonally resolvable quadruple systems.- Establishing the minimality of phylogenetic trees from protein sequences.- A conjecture on two-point deleted subgraphs of cartesian products.- Balanced ternary designs with block size three.- On the compositions of an integer.- Symmetric graphs and a characterization of the odd graphs.- Higher dimensional orthogonal designs and hadamard matrices.- Some designs with block size three.- Some results on Bhaskar Rao designs.- Tales from the "county club".
