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Quasi-hereditary algebras related to local algebras

 

作者: Corina Sáenz,  

 

期刊: Communications in Algebra  (Taylor Available online 1998)
卷期: Volume 26, issue 1  

页码: 73-82

 

ISSN:0092-7872

 

年代: 1998

 

DOI:10.1080/00927879808826116

 

出版商: Gordon and Breach Science Publishers Ltd.

 

数据来源: Taylor

 

摘要:

For ⋀ a finite dimensional local algebra with radicalNwhereNn= 0 ≠Nn-1define(as a right A-module), thenA(⋀) is quasi-hereditary and it has a unique heredity idealJ1(A).Assume ⋀ satisfies the right socle condition (the socle series and the radical series of ⋀⋀coincide). We show that then the algebraAi/J1(Ai-1) is isomorphic toAi-1whereAi=A(⋀/Ni). for 1 ≤ i ≤ n. Moreover we determine the canonical module forA(⋀) and we show that the Ringel dual ofA(⋀) is isomorphic to the endomorphism ring ofas a left module, provided that ⋀ also satisfies the left socle condition.

 

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