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对偶扩张代数的shod子范畴与反变有限子范畴

Shod Subcategories and Contravariant Finite Subcategories of Dual Extension Algebras
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摘要 设A是一个有限维代数,R是A的对偶扩张代数。本文研究代数R的shod子范畴,A-模范畴D的倾斜对象与R-模范畴D的倾斜对象之间的关系以及R的反变有限的子范畴。 Let A be a finite dimensional algebra, R the dual extension algebra of A. In this paper, we investigate the Shod subcategories of R, the relations between tilting ob- jects in A-module category D and these in R-module category , and the contravariant finite subcategories of R.
作者 杜先能
机构地区 安徽大学数学系
出处 《数学学报(中文版)》 SCIE CSCD 北大核心 2004年第3期553-558,共6页 Acta Mathematica Sinica:Chinese Series
基金 国家自然科学基金(10071062) 安徽省自然科学基金
关键词 对偶扩张代数 挠理论 shod代数 反变有限子范畴 Dual extension algebra Torsion theory Shod algebra Contravariant finite subcategories
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参考文献9

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