Czechoslovak Mathematical Journal, Vol. 53, No. 1, pp. 127-134, 2003

Decomposition of complete bipartite
even graphs into closed trails

Mirko Hornak, Mariusz Wozniak

M. Hornak, Institute of Mathematics, P. J. Safarik University, Jesenna 5, 041 54 Kosice, Slovakia, e-mail: hornak@science.upjs.sk; M. Wozniak, Faculty of Applied Mathematics AGH, Department of Discrete Mathematics, Al. Mickiewicza 30, 30-059 Krakow, Poland, e-mail: mwozniak@uci.agh.edu.pl

Abstract: We prove that any complete bipartite graph $K_{a,b}$, where $a,b$ are even integers, can be decomposed into closed trails with prescribed even lengths.

Keywords: complete bipartite graph, closed trail, arbitrarily decomposable graph

Classification (MSC 2000): 05C70


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