Proceedings of the First Australian Conference on Combinatorial Mathematics [1972], Volume 1Jennifer Seberry, Jennifer Wallis, W. D. Wallis |
Common terms and phrases
A₁ A₂ abelian group adjacent algorithm ANNE PENFOLD Australia ABSTRACT Axiom binary composition C₁ C₂ coloured column Combinatory Logic complete graph conference matrix conjecture is true construction contains corresponding coset graph crew cycle defining relations denote Department of Mathematics edges elementary operation elements exists factorization finite following first rows function given Graph Theory group G Hadamard matrices Hall planes Harary incidence matrix indicator customers integral isomorphic JENNIFER WALLIS lattice LEMMA Math matrix of order maximal sum-free set node non-isomorphic obtained one-coloured triangles one-factorizations path pay fortnight permutation points problem PROOF reconstructed regular 2-graph roster S+I S+I satisfying Schreier coset graph self-avoiding semi-stable shifts skew skew-Hadamard matrix solution squares of side standardized Room square strong graph subgraphs subgroup summand Suppose THEOREM translation plane tree University of Newcastle vertex vertices W.D. WALLIS worker