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Singular equivalences induced by homological epimorphisms


Author: Xiao-Wu Chen
Journal: Proc. Amer. Math. Soc. 142 (2014), 2633-2640
MSC (2010): Primary 18E30, 13E10, 16E50
DOI: https://doi.org/10.1090/S0002-9939-2014-12038-7
Published electronically: April 30, 2014
MathSciNet review: 3209319
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Abstract: We prove that a certain homological epimorphism between two algebras induces a triangle equivalence between their singularity categories. Applying the result to a construction of matrix algebras, we describe the singularity categories of some non-Gorenstein algebras.


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Additional Information

Xiao-Wu Chen
Affiliation: Wu Wen-Tsun Key Laboratory of Mathematics, University of Science and Technology of China, Chinese Academy of Sciences, Hefei 230026, Anhui, People’s Republic of China
Email: xwchen@mail.ustc.edu.cn

DOI: https://doi.org/10.1090/S0002-9939-2014-12038-7
Received by editor(s): August 12, 2011
Received by editor(s) in revised form: September 6, 2012
Published electronically: April 30, 2014
Additional Notes: The author was supported by the Fundamental Research Funds for the Central Universities (WK0010000024) and the National Natural Science Foundation of China (No. 11201446).
Communicated by: Birge Huisgen-Zimmermann
Article copyright: © Copyright 2014 American Mathematical Society
The copyright for this article reverts to public domain 28 years after publication.

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