We introduce the notion of an exact dg category, which is a simultaneous generalization of
the notions of exact category in the sense of Quillen and of pretriangulated dg category in …

Abstract Suppose (C, E, s) is an n-exangulated category. We show that the idempotent
completion and the weak idempotent completion of C are again n-exangulated categories …

Let A and B be Artin algebras and let M be an (A, B)-bimodule with MA and MB finitely
generated. In this paper, we construct tilting pairs of subcategories and Wakamatsu tilting …