Welcome and Opening Remarks

          @misc{ scivideos_PIRSA:22060062,
            doi = {10.48660/22060062},
            url = {https://pirsa.org/22060062},
            author = {Costello, Kevin},
            keywords = {Mathematical physics},
            language = {en},
            title = {Welcome and Opening Remarks},
            publisher = {Perimeter Institute for Theoretical Physics},
            year = {2022},
            month = {jun},
            note = {PIRSA:22060062 see, \url{https://scivideos.org/index.php/pirsa/22060062}}
          }