Strings 2023

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

Jul 28, 2023, 1:30 p.m.

30m

PI/1-100 - Theatre (Perimeter Institute for Theoretical Physics)

Research Talks

Speaker

Edward Witten (Institute for Advanced Study)

Description

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.

Presentation materials

BackgroundHandout.pdf

External references

• 23070039
• 7a3730a6-0281-43d4-b974-bd76000ead7b
• cc50eb54-5e54-4bcc-9d6c-68e50bb14c40