Edward Witten (IAS) “Complex Metrics in Spacetime” Seminar OrganizerSeptember 21, 2021 Event Details Date: October 18, 2021 2:10 pm – 4:10 pm Venue: https://berkeley.zoom.us/j/93328405860?pwd=Um1GbHBCSUJMdUlWWnd0ZVMxQmwwdz09 Categories: Berkeley String-Math Seminar Abstract: In the “Euclidean” approach to quantum gravity, it sometimes seems useful to include complex saddle points. But what class of complex spacetime metrics is physically sensible? That will be the topic of this lecture.