PIRSA:23070039 Conference Quantum Fields and Strings

DOI10.48660/23070039

Conference/School: Strings 2023

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

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

@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}}
}

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.

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