Covariant observables and (quantum) extension theorems

          @misc{ scivideos_PIRSA:17110134,
            doi = {10.48660/17110134},
            url = {https://pirsa.org/17110134},
            author = {Surya, Sumati},
            keywords = {Cosmology, Strong Gravity},
            language = {en},
            title = {Covariant observables and (quantum)  extension theorems},
            publisher = {Perimeter Institute for Theoretical Physics},
            year = {2017},
            month = {nov},
            note = {PIRSA:17110134 see, \url{https://scivideos.org/index.php/pirsa/17110134}}
          }