Monoidal supercategories
By now, there are several notions in the literature which are supposed to describe what should be called a super monoidal category. The goal of the paper under review is to clarify these notions and connections between them and in this way to develop a unified axiomatization for \(2\)-supercategories, that is \(2\)-categories enriched in vector superspaces, and related formal constructions. In particular, the paper discusses a superanalogue of the notion of Drinfeld center and considers \(2\)-supercategories with a fixed distinguished involution in its Drinfeld center. Gradings and Grothendieck groups in the supersetting are also discussed.
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