Article
DG-Injective Covers, #-Injective Covers
Communications in Algebra
Document Type
Article
Publication Date
6-21-2011
DOI
10.1080/00927871003739004
Disciplines
- Education and
- Mathematics
Abstract
Let R be a left noetherian ring. We show that every complex of left R-modules has a #-injective cover. We use this result to prove that the class of DG-injective complexes is covering if and only if the ring R is regular.
Citation Information
Alina Iacob. "DG-Injective Covers, #-Injective Covers" Communications in Algebra Vol. 39 Iss. 5 (2011) p. 1673 - 1685 ISSN: 1532-4125 Available at: http://works.bepress.com/alina_iacob/24/