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Cotorsion pairs generated by modules of bounded projective dimension

โœ Scribed by Silvana Bazzoni; Dolors Herbera


Book ID
107529239
Publisher
The Hebrew University Magnes Press
Year
2009
Tongue
English
Weight
284 KB
Volume
174
Category
Article
ISSN
0021-2172

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In this paper, we study the existence of โŠฅ -envelopes, -envelopes, โŠฅ -envelopes, -covers, and -covers where and denote the classes of modules of injective and projective dimension less than or equal to a natural number n, respectively. We prove that over any ring R, special โŠฅ -preenvelopes and speci