Black holes: from event horizons to trapping horizons - LUTH ...
Black holes: from event horizons to trapping horizons - LUTH ...
Black holes: from event horizons to trapping horizons - LUTH ...
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Local approaches <strong>to</strong> black <strong>holes</strong><br />
Foliation of a hypersurface by spacelike 2-surfaces<br />
hypersurface H = submanifold of<br />
spacetime ⎧(M<br />
, g) of codimension 1<br />
⎨ spacelike<br />
H can be null<br />
⎩<br />
timelike<br />
H = <br />
t∈R<br />
St<br />
St = spacelike 2-surface<br />
⇐= 3+1 perspective<br />
Eric Gourgoulhon (<strong>LUTH</strong>) <strong>Black</strong> <strong>holes</strong>: <strong>trapping</strong> <strong>horizons</strong> CERN, 17 March 2010 17 / 38