151 citations
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math.RA2005
Duality for finite Hopf algebras explained by corings
S. Caenepeel, D. Quinn, S. Raianu
We give a coring version for the duality theorem for actions and coactions of a finitely generated projective Hopf algebra. We also provide a coring analogue for a theorem of H.-J.…
math.RA2004★ 1 cited
The adjoint of an even size matrix factors
Graham J. Leuschke, Ragnar-Olaf Buchweitz
We show that the adjoint matrix of a generic square matrix of even size can be factored nontrivially, answering a question of G. Bergman. This note is a preliminary report on work…