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SUMMARY:Martín Reiris (Universidad de la República\, Montevideo)
DTSTART:20200908T133000Z
DTEND:20200908T143000Z
DTSTAMP:20260423T035408Z
UID:Geometry/10
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/Geometry/10/
 ">On the existence of Killing fields in smooth spacetimes with a compact C
 auchy horizon</a>\nby Martín Reiris (Universidad de la República\, Monte
 video) as part of Pangolin seminar\n\n\nAbstract\nWe prove that the surfac
 e gravity of a compact non-degenerate Cauchy horizon in a smooth vacuum sp
 acetime\, can be normalized to a non-zero constant. This result\, combined
  with a recent result by Oliver Petersen and István Rácz\, end up provin
 g the Isenberg-Moncrief\nconjecture on the existence of Killing fields\, i
 n the smooth differentiability class. The well known corollary of this\, i
 n accordance with the strong cosmic censorship conjecture\, is that the pr
 esence of compact Cauchy horizons is a non-generic phenomenon.\nThough we 
 work in 3+1\, the result is valid line by line in any n+1-dimensions.\n
LOCATION:https://researchseminars.org/talk/Geometry/10/
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