String Theory for Mathematicians - Lecture 2

          @misc{ scivideos_PIRSA:17040080,
            doi = {},
            url = {https://pirsa.org/17040080},
            author = {Costello, Kevin},
            keywords = {Mathematical physics},
            language = {en},
            title = {String Theory for Mathematicians - Lecture 2},
            publisher = {Perimeter Institute for Theoretical Physics},
            year = {2017},
            month = {apr},
            note = {PIRSA:17040080 see, \url{https://scivideos.org/pirsa/17040080}}
          }