APA

Johnson-Freyd, T. (2026). McNamara-Wang Reconstruction. Perimeter Institute. https://pirsa.org/26050010

MLA

Johnson-Freyd, Theo. McNamara-Wang Reconstruction. Perimeter Institute, May. 01, 2026, https://pirsa.org/26050010

BibTex

@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}}
}
            

Abstract

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.

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