Events - Department of Mathematics

Back to Listing

The Department of Mathematics is a bustling place full of new ideas. We host several events that occur throughout the year, including seminars, colloquium, conferences, and social events. Our seminars and colloquium are open to the public: all students, faculty, or alumni who are interested are welcome to join us for exciting talks on the leading edge of mathematics research!

For information about adding events to this calendar, please see this user guide

Einstein metrics with prescribed conformal infinity

Event Type
Seminar/Symposium
Sponsor
n/a
Location
147 Altgeld Hall
Date
Feb 11, 2022   1:00 pm  
Speaker
Xinran Yu
Contact
Ryan Mitchell
E-Mail
ryanm12@illinois.edu
Views
26

Abstract: Given a conformal class of metrics on the boundary of a manifold, one can ask for the existence of an Einstein metric whose conformal infinity satisfies the boundary condition.

In 1991, Graham and Lee studied this boundary problem on the hyperbolic ball. They proved the existence of metrics sufficiently close to the round metric on a sphere by constructing approximate solutions to a quasilinear elliptic system. In his monograph (2006), Lee discussed the boundary problem on a smooth, compact manifold-with-boundary. Using a similar construction, he proved the existence and regularity results for metrics sufficiently close to a given asymptotically hyperbolic Einstein metric. The proof is based on a linear theory for Laplacian and the inverse function theorem.

link for robots only