Open AccessAPPROXIMATIONS AND ADJOINTS FOR CATEGORIES OF COMPLEXES OF GORENSTEIN PROJECTIVE MODULES
Author(s) -
Gang Yang
Publication year - 2015
Publication title -
hacettepe journal of mathematics and statistics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.312
H-Index - 26
ISSN - 1303-5010
DOI - 10.15672/hjms.20164512477
Subject(s) - mathematics , projective test , pure mathematics , algebra over a field , discrete mathematics
In the paper, it is proven that every object in C(R-GProj) has a special C(R-Proj)-preenvelope, and then some adjoints in homotopy categories related to Gorenstein projective modules are given, where C(R-Proj) is the subcategory of complexes of projective R-modules, and C(R-GProj) is the subcategory of complexes of Gorenstein projective R-modules.
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