Comparison of multigraded and ungraded Cousin complexes

Citation
Mhd. Aghcheghloo et al., Comparison of multigraded and ungraded Cousin complexes, P EDIN MATH, 44, 2001, pp. 365-378
Citations number
9
Categorie Soggetti
Mathematics
Journal title
PROCEEDINGS OF THE EDINBURGH MATHEMATICAL SOCIETY
ISSN journal
00130915 → ACNP
Volume
44
Year of publication
2001
Part
2
Pages
365 - 378
Database
ISI
SICI code
0013-0915(200106)44:<365:COMAUC>2.0.ZU;2-I
Abstract
This paper generalizes, in two senses, work of Petzl and Sharp, who showed that, for a Z-graded module M over a Z-graded commutative Noetherian ring R , the graded Cousin complex for M introduced by Goto and Watanabe can be re garded as a subcomplex of the ordinary Cousin complex studied by Sharp, and that the resulting quotient complex is always exact. The generalizations c onsidered in this paper are, firstly, to multigraded situations and, second ly, to Cousin complexes with respect to more general filtrations than the b asic ones considered by Petzl and Sharp. New arguments are presented to pro vide a sufficient condition for the exactness of the quotient complex in th is generality, as the arguments of Petal and Sharp will not work for this s ituation without additional input.