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math.RT2014
Two questions on stable equivalences of Morita type
Yuming Liu, Guodong Zhou, Alexander Zimmermann
It is well-known that derived equivalences preserve tensor products and trivial extensions. We disprove both constructions for stable equivalences of Morita type.
math.KT2014★ 31 cited
The Hochschild cohomology ring of a Frobenius algebra with semisimple Nakayama automorphism is a Batalin-Vilkovisky algebra
Thierry Lambre, Guodong Zhou, Alexander Zimmermann
Analogous to a recent result of N. Kowalzig and U. Krähmer for twisted Calabi-Yau algebras, we show that the Hochschild cohomology ring of a Frobenius algebra with semisimple Nakay…