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SUMMARY:Quasinormal modes on asymptotically flat spacetimes - Dejan Gajic 
 (Leipzig)
DTSTART:20240513T130000Z
DTEND:20240513T140000Z
UID:TALK216820@talks.cam.ac.uk
CONTACT:Dr Greg Taujanskas
DESCRIPTION:Quasinormal modes (QNMs) are damped oscillations that play an 
 important role in the dynamics of perturbations of stationary black hole s
 pacetimes. They are governed by frequencies that are characteristic to the
  black hole under consideration\, much like how the overtones of a vibrati
 ng drumhead depend on its particular shape. Although extensively featured 
 in the physics literature for over fifty years\, a clear and broadly appli
 cable mathematical definition of QNMs on asymptotically flat spacetimes ha
 s remained elusive. In this talk\, I will briefly introduce initial attemp
 ts at defining QNMs and then I will present upcoming work (with C. Warnick
 ) on the characterisation of QNMs on general stationary and asymptotically
  flat spacetimes.
LOCATION:MR13
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