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Paige North: Two-sided weak factorization systems

Time: Wed 2019-10-02 14.30 - 16.30

Location: Kräftriket, hus 5, sal 22

Lecturer: Paige North, Ohio State University


In this talk, I’ll describe intended semantics for directed type theory. We generalize the two-sided fibrations of Street to obtain a notion of two-sided weak factorization systems: structure on a category which consists of two compatible weak factorization systems. These correspond to a notion of directed path object. The long-term goal is to use the behavior of these directed path objects to reverse-engineer a directed identity type.

Belongs to: Department of Mathematics
Last changed: Sep 27, 2019