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arXiv:1105.5364 [math.RA]AbstractReferencesReviewsResources

Rationality of the Hilbert series of Hopf-invariants of free algebras

Vitor O. Ferreira, Lucia S. I. Murakami

Published 2011-05-26Version 1

It is shown that the subalgebra of invariants of a free associative algebra of finite rank under a linear action of a semisimple Hopf algebra has a rational Hilbert series with respect to the usual degree function, whenever the ground field has zero characteristic.

Comments: 5 pages
Categories: math.RA
Subjects: 16S10, 16T05, 16W22, 15A72
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