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math.QA2001★ 3 cited
Computing the Frobenius-Schur indicator for abelian extensions of Hopf algebras
Yevgenia Kashina, Geoffrey Mason, Susan Montgomery
In this paper we show that for an important class of non-trivial Hopf algebras, the Schur indicator is a computable invariant. The Hopf algebras we consider are all abelian extensi…
math.QA2001
Vertex Lie algebras, vertex Poisson algebras and vertex algebras
C. Dong, H. Li, G. Mason
The notions of vertex Lie algebra and vertex Poisson algebra are presented and connections among vertex Lie algebras, vertex Poisson algebras and vertex algebras are discussed.