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1. Spherical objects of the multiplicity free Brauer tree algebra with two edges | |||
LIU Qunhua | |||
Mathematics 01 July 2018 | |||
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Abstract:Spherical objects and tilting objects are important concepts in derived categories. They induce derived equivalences by taking derived tensor and mapping cone respectively. In this paper we explicitly describe, using the socalled n-complex, all spherical objects and tilting objects of the multiplicity free Brauer tree algebra with two edges. This algebra is Morita equivalent to the path algebra of a 2-cycle modulo the admissible ideal generated by the paths of length 3. We find the spherical objects are precisely the indecomposable direct summands of the tilting objects. | |||
TO cite this article:LIU Qunhua. Spherical objects of the multiplicity free Brauer tree algebra with two edges[OL].[ 1 July 2018] http://en.paper.edu.cn/en_releasepaper/content/4745481 |
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