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arXiv · 1910.13417

Lifting bicategories through the Grothendieck construction

Juan Orendain
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Abstract

We treat the problem of lifting bicategories into double categories through categories of vertical morphisms. We make use of a specific instance of the Grothendieck construction to provide, for every bicategory equipped with a possible vertical category, together with a suitable monoidal pre-cosheaf relating these two structures, a double category lifting the decorated bicategory along the category of vertical morphisms provided as set of initial conditions. We prove in particular that every decorated bicategory admits a lift to a double category. We study relations of instances of our construction to foldings, cofoldings, framed bicategories and globularily generated double categories.

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Juan Orendain. 2019-10-29. Lifting bicategories through the Grothendieck construction. https://arxiv.org/abs/1910.13417

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