On a conjecture about Morita algebras

JOURNAL OF ALGEBRA

卷:508

Article

Boehmler, Bernhard¹  Marczinzik, Rene¹ 

[1] Univ Stuttgart, Inst Algebra & Number Theory, Pfaffenwaldring 57, D-70569 Stuttgart, Germany

关键词: Morita algebras;    Dominant dimension;    Tilting modules;   

DOI  :  10.1016/j.jalgebra.2018.03.002

来源: Elsevier

【 摘 要 】

We give an example of a Morita algebra A with a tilting module T such that the algebra End(A)(T) has dominant dimension at least two but is not a Morita algebra. This provides a counterexample to a conjecture by Chen and Xi from [5]. (C) 2018 Elsevier Inc. All rights reserved.

【 授权许可】

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