What we know and don’t know about solutions to the Einstein Constraint Equations

          @misc{ scivideos_PIRSA:17050048,
            doi = {10.48660/17050048},
            url = {https://pirsa.org/17050048},
            author = {Isenberg, James},
            keywords = {Quantum Gravity},
            language = {en},
            title = {What we know and don{\textquoteright}t know about solutions to the Einstein Constraint Equations},
            publisher = {Perimeter Institute for Theoretical Physics},
            year = {2017},
            month = {may},
            note = {PIRSA:17050048 see, \url{https://scivideos.org/pirsa/17050048}}
          }