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SUMMARY:Weyl formulae and concentration of eigenfunctions for singular Rie
 mannian metrics with application to acoustic modes in gas giants - Charlot
 te Isabel Dietze (Sorbonne Université)
DTSTART:20260114T114500Z
DTEND:20260114T124500Z
UID:TALK238177@talks.cam.ac.uk
DESCRIPTION:We prove eigenvalue asymptotics of the Laplace-Beltrami operat
 or for certain singular Riemannian metrics on Riemannian manifolds with bo
 undary. We also describe the rate and profile at which eigenfunctions conc
 entrate at the boundary. The model we consider is motivated by the study o
 f propagation of soundwaves in gas planets. This is based joint work with 
 Yves Colin de Verdi&egrave\;re\, Maarten de Hoop and Emmanuel Tr&eacute\;l
 at and joint work with Larry Read.
LOCATION:Seminar Room 1\, Newton Institute
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