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arxiv: 1610.01881 · v1 · pith:JTCGHBRQnew · submitted 2016-10-06 · 🧮 math.RA

Calabi-Yau property under monoidal Morita-Takeuchi equivalence

classification 🧮 math.RA
keywords algebratwistedhopfcalabi-yaumonoidalthenalgebrascategories
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Let $H$ and $L$ be two Hopf algebras such that their comodule categories are monoidal equivalent. We prove that if $H$ is a twisted Calabi-Yau (CY) Hopf algebra, then $L$ is a twisted CY algebra when it is homologically smooth. Especially, if $H$ is a Noetherian twisted CY Hopf algebra and $L$ has finite global dimension, then $L$ is a twisted CY algebra.

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