2 papers
math.CT2023
Cotorsion pairs in comma categories
Yuan Yuan, Jian He, Dejun Wu
Let A and B be abelian categories with enough projective and injective objects, and T : A-B a left exact additive functor. Then one has a comma category (B*T). It is shown that If…
math.RT2023
Semi-abelian categories arising from pseudo cluster tilting subcategories
Jian He, Jing He
The notion of a pseudo cluster tilting subcategory in an extriangulated category is defined in this article. We prove that the quotient category $\mathcal…