Involutive Brauer groups of a Krull domain
作者:
M. V. Reyes Sanchez,
A. Verschoren,
期刊:
Communications in Algebra
(Taylor Available online 1995)
卷期:
Volume 23,
issue 14
页码: 5269-5295
ISSN:0092-7872
年代: 1995
DOI:10.1080/00927879508825530
出版商: Marcel Dekker, Inc.
数据来源: Taylor
摘要:
In this text, we introduce and study involutive class groups and Brauer groups of a Krull domain R. We derive some exact sequences, connecting these groups and linking them to classical invariants, thus allowing to calculate them in concrete situations. We provide a geometric interpretation in terms of etale cohomology with respect to the sheaf of square roots of unity on Spec(R), as another useful tool to calculate these invariants.
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