Theo Johnson-Freyd

The Fundamental Pro-groupoid of an Affine 2-scheme

Alex Chirvasitu, Theo Johnson-Freyd, A. Chirvasitu, 2012, Applied Categorical Structures.

Topological Orders in (4+1)-Dimensions

Theo Johnson-Freyd, Matthew Yu, 2021 .

Minimal nondegenerate extensions

David Reutter, Theo Johnson-Freyd, 2021 .

Quantum Groups

Nicolai Reshetikhin, Theo Johnson-Freyd, N. Reshetikhin, 1993 .