inear and non-linear wave equations on Schwarzschild de Sitter
- đ¤ Speaker: George Mavrogiannis (DPMMS)
- đ Date & Time: Friday 04 February 2022, 13:00 - 14:00
- đ Venue: Zoom
Abstract
We discuss recent developments in the analysis of linear and non-linear wave equations on the Schwarzschild de Sitter spacetime, which is a black hole spacetime with a positive cosmological constant. Specifically, we use only time domain methods, as opposed to the previous spectral approach, and give a new proof of exponential decay for the solutions of the linear wave equation and a new proof for the stability of the solutions of the quasilinear wave equation. Trapped null geodesics will make a frequent appearance in this talk.
Series This talk is part of the DAMTP Friday GR Seminar series.
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Friday 04 February 2022, 13:00-14:00