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arXiv:math/0610976 [math.CO]AbstractReferencesReviewsResources

The Hopf algebras of type B quasisymmetric functions and peak functions

Samuel K. Hsiao, T. Kyle Petersen

Published 2006-10-31Version 1

We show that with the appropriate choice of coproduct, the type B quasisymmetric functions form a Hopf algebra, and the recently introduced type B peak functions form a Hopf subalgebra.

Comments: 9 pages
Categories: math.CO, math.RA
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