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CATEGORIES:Cambridge Analysts' Knowledge Exchange
SUMMARY:Linear stability of charged rotating black holes
- Damon Civin (CCA)
DTSTART;TZID=Europe/London:20131106T160000
DTEND;TZID=Europe/London:20131106T170000
UID:TALK46768AThttp://talks.cam.ac.uk
URL:http://talks.cam.ac.uk/talk/index/46768
DESCRIPTION:The Einstein field equations (EFE) are the fundame
ntal equations of general relativity\, the accepte
d theory of gravity. Perhaps the most striking pre
diction of general relativity is the existence of
black holes – regions of spacetime where the gravi
tational field is so strong that nothing can escap
e.\nBlack holes are believed to be abundant in the
universe\, forming when matter (such as a star or
galaxy) undergoes gravitational collapse. Once a
black hole has formed\, it is expected to be stabl
e. That is\, black holes should not be sensitive t
o the influence of other objects and phenomena – t
hey are the final state of the system. Providing a
mathematical proof of the stability of black hole
s is one of the most important open problems in ge
neral relativity.\n\nGreat progress has been made
by considering the (EFE) as a system of quasilinea
r wave equations. In my talk\, I will introduce th
is approach to the study of general relativity\, f
ocusing on the linear stability of subextremal Ker
r-Newman spacetimes. Each member of this family mo
dels a charged rotating black hole. The stability
of this family of spacetimes is of special interes
t as it is closely related to the plausibility of
the concept of a black hole. Time permitting\, I w
ill discuss my recent results in this direction.
LOCATION:MR14\, Centre for Mathematical Sciences
CONTACT:Marcus Webb
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