Notes on Relative Extension Functors

Xu QingBing, Yang Liu, Mohammad Munir, Ayoub Youssefi and Ralf Meyer

Journal of Mathematics, 2022, vol. 2022, 1-8

Abstract: The objective of this paper is to study the relative homological properties of contravariantly and covariantly finite subcategories. Some sufficient conditions for Ext¯YnA,B≃Ext¯XnA,B are obtained. We also give the conditions under which the stable categories C/W/X/W are one-side triangulated categories.

Date: 2022
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jjmath:5579976

DOI: 10.1155/2022/5579976

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