Article ID Journal Published Year Pages File Type
4653674 European Journal of Combinatorics 2014 12 Pages PDF
Abstract

The Merino–Welsh conjecture asserts that the number of spanning trees of a graph is no greater than the maximum of the numbers of totally cyclic orientations and acyclic orientations of that graph. We prove this conjecture for the class of series–parallel graphs.

Related Topics
Physical Sciences and Engineering Mathematics Discrete Mathematics and Combinatorics
Authors
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