Covers and Envelopes over gr-Gorenstein
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M.J Asensio; J.A Lรณpez-Ramos; B Torrecillas
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Article
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1999
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Elsevier Science
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English
โ 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.