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For any discrete group G, homotopy field theories (HFTs), introduced by V. Turaev, are G-equivariant versions of topological field theories (TFTs). Developing techniques in differential topology and in the theory of symmetric monoidal bicategories C. Schommer-Pries classified 2-dimensional extended TFTs in 2009. In this talk, generalizing Schommer-Pries' methods we define and classify 2-dimensional extended HFTs.

Information about the video

  • Date of recording 1/16/19
  • Date of publication 1/28/19
  • Institution IHES
  • Format MP4

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