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SUMMARY:Advancing black-hole perturbation theory beyond the linear regime 
 with the hyperboloidal framework - Rodrigo Panosso Macedo (Niels Bohr Inst
 itute\, Copenhagen)
DTSTART:20251010T120000Z
DTEND:20251010T130000Z
UID:TALK237724@talks.cam.ac.uk
CONTACT:Daniela Cors
DESCRIPTION:The hyperboloidal framework builds upon Penrose's seminal work
  on the "Conformal Treatment of Infinity." It's an elegant concept that en
 ables us to approach the black hole event horizon and the wave zone "at th
 e same time". Over the decades\, it has become an indispensable tool in bl
 ack hole perturbation theory\, particularly when considering an expansion 
 beyond the linear regime. In this presentation\, I will delve into the lat
 est advancements in the field. This includes introducing the so-called Min
 imal Gauge\, a simple strategy to construct hyperboloidal slices and explo
 ring its applications in gravitational wave physics. After reviewing contr
 ibutions to fundamental concepts in the ringdown phase\, I'll discuss tech
 nical advances in the modeling of extreme mass ratio inspirals through the
  self-force program. 
LOCATION:Potter Room / Zoom https://cam-ac-uk.zoom.us/j/87235967698
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