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Proper Edge-Colourings of Complete Graphs

M.J Grannell1, T.S. Griggs1, K.A.S. Quinn1, W.L. Kocay2, R.G. Stanton 2
1Department of Pure Mathematics The Open University Walton Hall Milton Keynes MK7 6AA UNITED KINGDOM
2Department of Computer Science University of Manitoba Winnipeg CANADA R3T 2N2

Abstract

This paper considers the following question: how many non-isomorphic proper edge-colourings (with any number of colours) are there of the complete graph \(K_n\)? We prove an asymptotic result and enumerate the solutions for \(n \leq 6\).