PIRSA:23070039

Research Talk 21 - A Background Independent Algebra for Quantum Gravity?

APA

Witten, E. (2023). Research Talk 21 - A Background Independent Algebra for Quantum Gravity?. Perimeter Institute. https://pirsa.org/23070039

MLA

Witten, Edward. Research Talk 21 - A Background Independent Algebra for Quantum Gravity?. Perimeter Institute, Jul. 28, 2023, https://pirsa.org/23070039

BibTex

          @misc{ pirsa_PIRSA:23070039,
            doi = {10.48660/23070039},
            url = {https://pirsa.org/23070039},
            author = {Witten, Edward},
            keywords = {Quantum Fields and Strings},
            language = {en},
            title = {Research Talk 21 - A Background Independent Algebra for Quantum Gravity?},
            publisher = {Perimeter Institute},
            year = {2023},
            month = {jul},
            note = {PIRSA:23070039 see, \url{https://pirsa.org}}
          }
          

Edward Witten

Institute for Advanced Study (IAS) - School of Natural Sciences (SNS)

Talk number
PIRSA:23070039
Collection
Abstract
To define an algebra of observables in quantum gravity in a way that is universal and does not depend on a background spacetime, one can consider the observables along the worldline of an observer, rather than the observables in a region of spacetime.