A Non-Semisimple Categorical Symmetry on the Lattice
Matthew Yu - University of Oxford
Johnson-Freyd, T. (2026). McNamara-Wang Reconstruction. Perimeter Institute. https://pirsa.org/26050010
Johnson-Freyd, Theo. McNamara-Wang Reconstruction. Perimeter Institute, May. 01, 2026, https://pirsa.org/26050010
@misc{ pirsa_PIRSA:26050010,
doi = {10.48660/26050010},
url = {https://pirsa.org/26050010},
author = {Johnson-Freyd, Theo},
keywords = {Mathematical physics},
language = {en},
title = {McNamara-Wang Reconstruction},
publisher = {Perimeter Institute},
year = {2026},
month = {may},
note = {PIRSA:26050010 see, \url{https://pirsa.org}}
}
I will say some words about nonunital categories, and tell you an awesome new theorem of McNamara and Wang: unitary QFTs are determined by their partition functions.