Realization theorems for categories of graded modules over semigroup-graded rings
作者:
Gene Abrams,
Claudia Menini,
Angel del Río,
期刊:
Communications in Algebra
(Taylor Available online 1994)
卷期:
Volume 22,
issue 13
页码: 5343-5388
ISSN:0092-7872
年代: 1994
DOI:10.1080/00927879408825135
出版商: Gordon and Breach Science Publishers Ltd.
数据来源: Taylor
摘要:
We present a collection of finitely generated projective generators for the category of graded modules over a unital semigroup-graded ring. Consequences of the existence of such a collection, as well as other module-theoretic re-sults, will arise from more general constructions involving TTF classes inside Grothendieck categories. For instance, we obtain a description of the category of graded modules whose support lies within a given subset of the semigroup.
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