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math.QA2016
Cocycle deformations and Galois objects for semisimple Hopf algebras of dimension and
Adriana Mejía Castaño, Susan Montgomery, Sonia Natale +2
Let and be distinct prime numbers. We study the Galois objects and cocycle deformations of the noncommutative, noncocommutative, semisimple Hopf algebras of odd dimension $…
math.QA2014★ 2 cited
Twisted Exponents and Twisted Frobenius-Schur Indicators for Hopf Algebras
Daniel S. Sage, Maria D. Vega
Classically, the exponent of a group is the least common multiple of the orders of its elements. This notion was generalized by Etingof and Gelaki to the context of Hopf algebras.…
math.QA2011★ 13 cited
Twisted Frobenius-Schur indicators for Hopf algebras
Daniel S. Sage, Maria D. Vega
The classical Frobenius-Schur indicators for finite groups are character sums defined for any representation and any integer m greater or equal to 2. In the familiar case m=2, the…