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.
Original language | American English |
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Journal | Communications in Algebra |
Volume | 39 |
DOIs | |
State | Published - Jun 21 2011 |
Keywords
- #\-Injective complex
- Cover
- DG\-injective complex
DC Disciplines
- Education
- Mathematics