180 citations
- Sun Yat-sen UniversityCN18 papers
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math.RA2014★ 1 cited
Rings in which every element is either a sum or a difference of a nilpotent and an idempotent
Simion Breaz, Peter Danchev, Yiqiang Zhou
{Generalizing the notion of nil cleanness from \cite{D13}, in parallel to \cite{DM14}, we define the concept of {\it weak nil cleanness} for an arbitrary ring. Its comprehensive st…
math.RA2006★ 2 cited
Morita equivalences induced by bimodules over Hopf-Galois extensions
S. Caenepeel, S. Crivei, A. Marcus +1
Let be a Hopf algebra, and be -Galois extensions. We investigate the category of relative Hopf bimodules, and the Morita equivalences between …