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FS-coalgebras and crossed coproducts

FS-coalgebras and crossed coproducts AbstractIn this paper, we introduce FS-coalgebras, which provide solutionsof FS-equations and also solution ofbraid equations considered by Caenepeel, Militaru and Zhu.FS-coalgebras are constructed by usingFS-equations and Harrison cocycles.As applications, we prove that every bialgebraH is an FS-bialgebra if and only if there is atwo-sided integral α in H∗{H^{\ast}}such thatε⁢(α)=1{\varepsilon(\alpha)=1}, and we show thatthe crossed coproduct HR{H^{R}}introduced by the Harrison cocycle R is anFS-coalgebra when (H,R){(H,R)}is a finite-dimensional quasitriangular Hopfalgebra or a Long copaired bialgebra. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Georgian Mathematical Journal de Gruyter

FS-coalgebras and crossed coproducts

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References (20)

Publisher
de Gruyter
Copyright
© 2019 Walter de Gruyter GmbH, Berlin/Boston
ISSN
1572-9176
eISSN
1572-9176
DOI
10.1515/gmj-2017-0037
Publisher site
See Article on Publisher Site

Abstract

AbstractIn this paper, we introduce FS-coalgebras, which provide solutionsof FS-equations and also solution ofbraid equations considered by Caenepeel, Militaru and Zhu.FS-coalgebras are constructed by usingFS-equations and Harrison cocycles.As applications, we prove that every bialgebraH is an FS-bialgebra if and only if there is atwo-sided integral α in H∗{H^{\ast}}such thatε⁢(α)=1{\varepsilon(\alpha)=1}, and we show thatthe crossed coproduct HR{H^{R}}introduced by the Harrison cocycle R is anFS-coalgebra when (H,R){(H,R)}is a finite-dimensional quasitriangular Hopfalgebra or a Long copaired bialgebra.

Journal

Georgian Mathematical Journalde Gruyter

Published: Sep 1, 2019

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