Covers and envelopes over gr-Gorenstein rings

Authors
Asensio, MJ Lopez-Ramos, JA Torrecillas, B
Citation
Mj. Asensio et al., Covers and envelopes over gr-Gorenstein rings, J ALGEBRA, 215(2), 1999, pp. 437-459
Citations number
19
Categorie Soggetti
Mathematics
Journal title
JOURNAL OF ALGEBRA
ISSN journal
00218693 → ACNP
Volume
215
Issue
2
Year of publication
1999
Pages
437 - 459
Database
ISI
SICI code
0021-8693(19990515)215:2<437:CAEOGR>2.0.ZU;2-V
Abstract
In this paper we study the existence of Gorenstein injective envelopes and Gorenstein projective and flat covers in the category of graded modules and we relate them with the corresponding envelopes and covers in the category of modules, (C) 1999 Academic Press.