Caltech Home > PMA Home > Master Calendar > Caltech/UCLA Joint Analysis Seminar
Friday, May 03, 2019
4:30 PM - 5:20 PM
Linde Hall 310

Caltech/UCLA Joint Analysis Seminar

High frequency limits and Burnett's conjecture in general relativity
Jonathan Luk, Department of Mathematics, Stanford University,

It is known in the physics literature that "high-frequency weak limits" of solutions to the Einstein vacuum equations are not necessarily vacuum solutions, but may have a non-trivial stress-energy-momentum tensor, which can be viewed physically as ''effective matter fields'' arising from back-reaction of high frequency gravitational waves. Burnett conjectured nonetheless that any such a limit is isometric to a solution to the Einstein-massless Vlasov system. We prove that Burnett's conjecture is true under a symmetry assumption and a gauge condition. This is a joint work with C├ęcile Huneau.

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