Article ID Journal Published Year Pages File Type
4653996 European Journal of Combinatorics 2011 6 Pages PDF
Abstract

Recently, Kitaev and Remmel posed a conjecture concerning the generating function for the number of unlabeled (2+2)(2+2)-free posets with respect to the number of elements and the number of minimal elements. In this paper, we present a combinatorial proof of this conjecture.

Related Topics
Physical Sciences and Engineering Mathematics Discrete Mathematics and Combinatorics
Preview
On a conjecture about enumerating (2+2)(2+2)-free posets
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