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Support τ-tilting modules over one-point extensions
Communications in Algebra ( IF 0.6 ) Pub Date : 2020-09-17 , DOI: 10.1080/00927872.2020.1817470
Hanpeng Gao 1 , Zongzhen Xie 2
Affiliation  

Abstract

Let B be the one-point extension algebra of A by an A-module X. We proved that every support τ-tilting A-module can be extended to be a support τ-tilting B-module by two different ways. As a consequence, it is shown that there is an inequality | s τ tilt  B | 2 | s τ tilt  A | .



中文翻译:

一站式扩展支持τ倾斜模块

摘要

BAA-模块X的单点扩展代数。我们证明,可以通过两种不同的方式将每个支持τ倾斜A模块扩展为支持τ倾斜B模块。结果表明存在不平等 | s τ 倾斜  | 2 | s τ 倾斜  一个 |

更新日期:2020-09-17
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