Time: 10:00, Jul. 7, 2025

Location: Rm. 401, Kavli ITS, UCAS

Speaker: Jinwei Zhu (Univ. of Chicago)

Abstract:

In his talk, I will present time-dependent backgrounds in 1+1 dimensional string theory, where observables can be calculated. He also discussed an example resembling a background with a big bang and/or big crunch, where observables, in principle, do not exist.