Theo Johnson-Freyd

2016-present: Perimeter Institute (Postdoc) 2013-2016: Northwestern University (NSF Postdoc / Boas Assistant Professor) 2007-2013: UC Berkeley (PhD student) 2003-2007: Stanford (Undergraduate) prehistory-2003: Eugene, OR

Theo Johnson-Freyd

Talks by Theo Johnson-Freyd

Algebraically closed higher categories

Theo Johnson-Freyd Perimeter Institute for Theoretical Physics

December 03, 2021 Mathematical Physics

Talk Number PIRSA:21120010

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Welcome and Opening Remarks

Bianca Dittrich Perimeter Institute for Theoretical Physics
Theo Johnson-Freyd Perimeter Institute for Theoretical Physics
Sylvie Paycha Universität Potsdam
Katarzyna Rejzner University of York
Anne Taormina Durham Academy
Reiko Toriumi Okinawa Institute of Science and Technology (OIST)

February 22, 2021 Women at the Intersection of Mathematics and Theoretical Physics

Talk Number PIRSA:21020026

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On the classification of topological phases

Theo Johnson-Freyd Perimeter Institute for Theoretical Physics

June 01, 2020 Colloquium

Talk Number PIRSA:20060018

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Gapped condensation in higher categories

Theo Johnson-Freyd Perimeter Institute for Theoretical Physics

March 17, 2020 Mathematical Physics

Talk Number PIRSA:20030111

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A deformation invariant of 1+1D SQFTs

Theo Johnson-Freyd Perimeter Institute for Theoretical Physics

January 14, 2020 Quantum Fields and Strings

Talk Number PIRSA:20010023

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The Cohomology of Groups (Johnson-Freyd/Guo) - Lecture 11

Theo Johnson-Freyd Perimeter Institute for Theoretical Physics
Meng Guo Perimeter Institute for Theoretical Physics

December 13, 2019 The Cohomology of Groups (Johnson-Freyd/Guo)

Talk Number PIRSA:19120058

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The Cohomology of Groups (Johnson-Freyd/Guo) - Lecture 10

Meng Guo Perimeter Institute for Theoretical Physics
Theo Johnson-Freyd Perimeter Institute for Theoretical Physics

December 04, 2019 The Cohomology of Groups (Johnson-Freyd/Guo)

Talk Number PIRSA:19120001

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The Cohomology of Groups (Johnson-Freyd/Guo) - Lecture 9

Meng Guo Perimeter Institute for Theoretical Physics
Theo Johnson-Freyd Perimeter Institute for Theoretical Physics

November 27, 2019 The Cohomology of Groups (Johnson-Freyd/Guo)

Talk Number PIRSA:19110045

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The Cohomology of Groups (Johnson-Freyd/Guo) - Lecture 8

Meng Guo Perimeter Institute for Theoretical Physics
Theo Johnson-Freyd Perimeter Institute for Theoretical Physics

November 20, 2019 The Cohomology of Groups (Johnson-Freyd/Guo)

Talk Number PIRSA:19110044

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The Cohomology of Groups (Johnson-Freyd/Guo) - Lecture 7

Meng Guo Perimeter Institute for Theoretical Physics
Theo Johnson-Freyd Perimeter Institute for Theoretical Physics

November 13, 2019 The Cohomology of Groups (Johnson-Freyd/Guo)

Talk Number PIRSA:19110043

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