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SUMMARY:Martín Reiris (Universidad de la República\, Montevideo)
DTSTART:20210401T133000Z
DTEND:20210401T143000Z
DTSTAMP:20260423T023053Z
UID:jomarec/6
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/jomarec/6/">
 New results on compact Cauchy horizons of smooth vacuum spacetimes</a>\nby
  Martín Reiris (Universidad de la República\, Montevideo) as part of JoM
 aReC - Joint Online Mathematical Relativity Colloquium\n\n\nAbstract\nCauc
 hy horizons are rather unique and peculiar objects that have been studied 
 for decades. In this talk I will first review old and new breakthroughs on
  the subject by Isenberg and Moncrief\, and by Petersen and Rácz\, and th
 en discuss joint recent work together with I. Bustamante where it is prove
 d that non-degenerate compact Cauchy horizons on smooth vacuum spacetimes 
 (shortly CHs) have indeed constant non-zero temperature. It then follows b
 y the work of Petersen and Petersen-Rácz that CHs are Killing horizons\, 
 and by the work of  Beig-Chruściel-Schoen that such objects are non-gener
 ic on the initial data (in agreement with the Cosmic Censorship conjecture
 ). A null-orbital and topological classification of CHs will also be comme
 nted.\n
LOCATION:https://researchseminars.org/talk/jomarec/6/
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