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math.CT2023
Categorical centers and Yetter--Drinfel`d-modules as 2-categorical (bi)lax structures
Bojana Femić, Sebastian Halbig
The bicategorical point of view provides a natural setting for many concepts in the representation theory of monoidal categories. We show that centers of twisted bimodule categorie…
math.CT2023
The semibicategory of Moore automata
Guido Boccali, Bojana Femić, Andrea Laretto +2
We study the semibicategory of "Moore automata": an arrangement of objects, 1- and 2-cells which is inherently and irredeemably nonunital in dimension one. Between t…