Speaker: Stephan Stieberger

Title: Celestial and Carrollian Amplitudes and Celestial Liouville Theory

Abstract: I will review aspects of celestial and Carrollian conformal field theories serving as holographic descriptions of asymptotically flat spacetime. In particular, celestial and Carrollian amplitudes are discussed, which behave as conformal field theory correlators. Moreover, we find a Liouville theory description of celestial gluon amplitudes, signalling the importance of Liouville theory for flat-space time holography.