Welcome and Opening Remarks

          @misc{ scivideos_PIRSA:22040015,
            doi = {10.48660/22040015},
            url = {https://pirsa.org/22040015},
            author = {East, William and Essick, Reed and Lehner, Luis and Siegel, Daniel and Mukherjee, Suvodip and Yang, Huan},
            keywords = {Strong Gravity},
            language = {en},
            title = {Welcome and Opening Remarks},
            publisher = {Perimeter Institute for Theoretical Physics},
            year = {2022},
            month = {apr},
            note = {PIRSA:22040015 see, \url{https://scivideos.org/pirsa/22040015}}
          }