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Covers and Envelopes of Complexes

✍ Scribed by Gang, Yang; Zhongkui, Liu


Book ID
120277276
Publisher
Taylor and Francis Group
Year
2012
Tongue
English
Weight
184 KB
Volume
40
Category
Article
ISSN
0092-7872

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πŸ“œ SIMILAR VOLUMES


Covers and Envelopes in Grothendieck Cat
✍ S.Tempest Aldrich; Edgar E Enochs; J.R Garcı́a Rozas; Luis Oyonarte πŸ“‚ Article πŸ“… 2001 πŸ› Elsevier Science 🌐 English βš– 136 KB

In the general setting of Grothendieck categories with enough projectives, we prove theorems that make possible to restrict the study of the problem of the existence of -covers and envelopes to the study of some properties of the class . We then prove the existence of flat covers and cotorsion envel

Covers and Envelopes over gr-Gorenstein
✍ M.J Asensio; J.A LΓ³pez-Ramos; B Torrecillas πŸ“‚ Article πŸ“… 1999 πŸ› Elsevier Science 🌐 English βš– 148 KB

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.