Extensions of covariantly finite subcategories revisited

He, J

He, J (reprint author), Hunan Normal Univ, Coll Math & Stat, Key Lab High Performance Comp & Stochast Informat, Minist Educ China, 36 Lushan Rd, Changsha 410081, Hunan, Peoples R China.

CZECHOSLOVAK MATHEMATICAL JOURNAL, 2019; 69 (2): 403

Abstract

Extriangulated categories were introduced by Nakaoka and Palu by extracting the similarities between exact categories and triangulated categories. A n......

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