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math.CT2026
A convenient model category for bicategories
Alexander Campbell
We introduce and study the model category of flexible -categories, which is Quillen equivalent to Lack's model category of -categories, but enjoys several excellent propertie…
math.CT2026
Parity complexes redux
Alexander Campbell
We fix the notion of parity complex by a judicious selection from among the axioms originally considered by Street. We show that parity complexes so defined, together with the morp…