Divisor class group and canonical class of rings defined by ideals of pfaffians
作者:
Emanuela De Negri,
期刊:
Communications in Algebra
(Taylor Available online 1995)
卷期:
Volume 23,
issue 12
页码: 4415-4426
ISSN:0092-7872
年代: 1995
DOI:10.1080/00927879508825473
出版商: Marcel Dekker, Inc.
数据来源: Taylor
摘要:
In this paper we study the rings defined by ideals of pfaffians of a skew symmetric matrix of indeterminates. We analyze the case in which the pfaffians are not necessarily of fixed size. We prove that such rings are Cohen-Macaulay normal domains and we compute the divisor class group and the canonical class. It allows us to determine which of our rings are Gorenstein.
点击下载:
PDF (439KB)
返 回