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Late time tails of linear and nonlinear waves

Jonathan Luk (Stanford)

Location:  Hill 705
Date & time: Friday, 12 April 2024 at 4:00PM - 5:00PM

Jonathan Luk (Stanford)

Title: Late time tails of linear and nonlinear waves 

Abstract: I will present a recent joint work with Sung-Jin Oh (Berkeley), where we develop a general method for understanding the precise late time asymptotic behavior of solutions to linear and nonlinear wave equations in odd spatial dimensions. In particular, we prove that in the presence of a nonlinearity and/or a dynamical background, the late time tails are in general different from the better understood case of linear equations on stationary backgrounds. I will explain how the late time tails are related to the problem of the singularity structure in the interior of generic dynamical vacuum black holes in general relativity.

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