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SUMMARY:Recovering the spacetime metric from a holographic theory of gravi
 ty - Gary Horowitz (University of California\, Santa Barbara)
DTSTART:20161012T131500Z
DTEND:20161012T141500Z
UID:TALK68135@talks.cam.ac.uk
CONTACT:Shahar Hadar
DESCRIPTION:For almost twenty years there has been growing evidence for a 
 “gauge/gravity” duality\, in which a theory of gravity is equivalent t
 o a nongravitational gauge theory. This duality is “holographic” since
  one can view the gauge theory as living on the boundary of space at infin
 ity.  I will first review this duality and some of the evidence for it. Th
 en I will describe a new way to recover the spacetime metric from the dual
  gauge theory. This new approach is based on a special class of spacelike 
 cross-sections of the boundary called light-cone cuts.
LOCATION:MR2\, Centre for Mathematical Sciences
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