Reflection positivity and the classification of invertible topological phases

          @misc{ scivideos_PIRSA:15100103,
            doi = {10.48660/15100103},
            url = {https://pirsa.org/15100103},
            author = {Freed, Dan},
            keywords = {Quantum Matter},
            language = {en},
            title = {Reflection positivity and the classification of invertible topological phases},
            publisher = {Perimeter Institute for Theoretical Physics},
            year = {2015},
            month = {oct},
            note = {PIRSA:15100103 see, \url{https://scivideos.org/index.php/pirsa/15100103}}
          }