## Video URL

https://pirsa.org/23050142# Gravity from chiral algebras

### APA

Sharma, A. (2023). Gravity from chiral algebras. Perimeter Institute for Theoretical Physics. https://pirsa.org/23050142

### MLA

Sharma, Atul. Gravity from chiral algebras. Perimeter Institute for Theoretical Physics, May. 12, 2023, https://pirsa.org/23050142

### BibTex

@misc{ scivideos_PIRSA:23050142, doi = {10.48660/23050142}, url = {https://pirsa.org/23050142}, author = {Sharma, Atul}, keywords = {Mathematical physics}, language = {en}, title = {Gravity from chiral algebras}, publisher = {Perimeter Institute for Theoretical Physics}, year = {2023}, month = {may}, note = {PIRSA:23050142 see, \url{https://scivideos.org/pirsa/23050142}} }

Atul Sharma Harvard University

**Source Repository**PIRSA

**Collection**

**Talk Type**Scientific Series

**Subject**

## Abstract

I will describe a correspondence between hyperkähler/quaternion-Kähler geometry and two dimensional chiral algebras that arises from twistor theory. As an application, I will explain how to use correlators of these chiral algebras to compute gravitational scattering amplitudes in four dimensional general relativity.

Zoom Link: https://pitp.zoom.us/j/98706048161?pwd=a3k1U3l2UXJlUjlqUElkOEZhZGwwUT09