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math.CO2014★ 16 cited
Multipartite hypergraphs achieving equality in Ryser's conjecture
Ron Aharoni, János Barát, Ian M. Wanless
A famous conjecture of Ryser is that in an -partite hypergraph the covering number is at most times the matching number. If true, this is known to be sharp for for whi…
math.CO2014
Enumeration of MOLS of small order
Judith Egan, Ian M. Wanless
We report the results of a computer investigation of sets of mutually orthogonal latin squares (MOLS) of small order. For we 1. Determine the number of orthogonal mates for…