Pitteloud, Philippe (2004) Chromatic Polynomials and the Symmetric Group. In: Graphs and Combinatorics, 20 (1). pp. 131-144.
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In this paper we give first a new combinatorial interpretation of the coefficients of chromatic polynomials of graphs in terms of subsets of permutations. Motivated by this new interpretation, we introduce next a combinatorially defined polynomial associated to a directed graph, and prove that it is related to chromatic polynomials. These polynomials are a specialization of cover polynomials of digraphs.
|Item Type:||Journal Article|
|Additional Information:||Copyright of this article belongs to Springer.|
|Department/Centre:||Division of Physical & Mathematical Sciences > Mathematics|
|Date Deposited:||30 Jun 2006|
|Last Modified:||19 Sep 2010 04:29|
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