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arXiv:1409.2595 [math.CO]AbstractReferencesReviewsResources

Power sum expansion of chromatic quasisymmetric functions

Christos A. Athanasiadis

Published 2014-09-09Version 1

A refinement conjectured by Shareshian and Wachs of a formula of Stanley, expanding the chromatic symmetric function of a graph in the basis of power sum symmetric functions, is proven. The proof uses a formula of Roichman for the irreducible characters of the symmetric group.

Comments: 8 pages
Categories: math.CO
Subjects: 05E05
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