Hearts of cotorsion pairs are functor categories over cohearts

Published 21 Apr 2015 in math.RT | (1504.05271v6)

Abstract: We study hearts of cotorsion pairs in triangulated and exact categories.We give a sufficient and necessary condition when the hearts have enough projectives. We also show in such condition they are equivalent to functor categories over cohearts of the cotorsion pairs.

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Yu Liu

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