Extension, restriction and picard-brauer exact sequences for torsion theories
作者:
R.González Rodríguez,
Villanueva E. Novoa,
期刊:
Communications in Algebra
(Taylor Available online 1998)
卷期:
Volume 26,
issue 1
页码: 309-320
ISSN:0092-7872
年代: 1998
DOI:10.1080/00927879808826131
出版商: Gordon and Breach Science Publishers Ltd.
数据来源: Taylor
摘要:
IfC,Vare Grothendieck categories andF:C→D,G:D→Care functors satisfying convenient conditions, the extension an restriction of torsion theories preserves the compatibility.Moreover, two idempotent kernel functors are compatible inDif, and only if, their extensions are compatible inC.Finally, whenC,Dare symmetric closed, we obtain relations between exact sequences of Picard and Brauer groups for the extension and restriction of torsion theories.
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