12 citations · 29 across the 3 of their papers we have counts for
Showing 2003 · math.RAShow all
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math.RA2003★ 8 cited
A central closure construction for certain extensions. Applications to Hopf algebra actions
Christian Lomp
Algebra extensions A < B where A is a left B-module such that the B-action extends the multiplication in A are ubiquitous. We encounter examples of such extensions in the study of…
math.RA2003★ 9 cited
Integrals in Hopf algebras over rings
Christian Lomp
Integrals in Hopf algebras are an essential tool in studying finite dimensional Hopf algebras and their action on algebras. Over fields it has been shown by Sweedler that the exist…