Mathematics Colloquium

Local smoothing for the wave equation.

Speaker: Larry Guth, MIT

Location: Online

Videoconference link:

Date: Monday, February 22, 2021, 3:45 p.m.


The local smoothing problem asks about how much solutions to the wave equation can focus.  It was formulated by Chris Sogge in the early 90s.  Hong Wang, Ruixiang Zhang, and I recently proved the conjecture in two dimensions.