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Closed trail decompositions of complete equipartite graphs
Authors:Andrea Burgess  Mateja Šajna
Affiliation:Department of Mathematics and Statistics, University of Ottawa, 585 King Edward Ave., Ottawa, ON K1N 6N5, Canada
Abstract:
The complete equipartite graph $K_m * {overline{K_n}}$equation image has mn vertices partitioned into m parts of size n, with two vertices adjacent if and only if they are in different parts. In this paper, we determine necessary and sufficient conditions for the existence of a decomposition of $K_m * {overline{K_n}}$equation image into closed trails of length k. © 2009 Wiley Periodicals, Inc. J Combin Designs 17: 374–403, 2009
Keywords:complete multipartite graph  decomposition  closed trail
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