Cornell University

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LEPP Seminar for the Bethe Lecture - Andy Strominger (Harvard)

Tuesday, October 26, 2021 at 4:00pm

Physical Sciences Building, 401
245 East Avenue

The Holographic Principle in Flat Space

Abstract:  Gravitational soft theorems imply that scattering amplitudes in any 4D quantum theory of gravity have a symmetry which acts like the 2D conformal group on the celestial sphere at lightlike infinity. This motivates efforts to holographically recast 4D quantum gravity as a 2D conformal field theory on the celestial sphere which I will describe.

Dial-In Information

Please request the Zoom link from Katerina Malysheva at or Sue Sullivan at

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Physics, CLASSE



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Contact Name

Susan Sullivan; Katerina Malysheva


Andy Strominger

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