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SUMMARY:Hans Ringström (KTH Stockholm)
DTSTART:20201001T133000Z
DTEND:20201001T143000Z
DTSTAMP:20260423T023052Z
UID:jomarec/1
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/jomarec/1/">
 On highly anisotropic big bang singularities</a>\nby Hans Ringström (KTH 
 Stockholm) as part of JoMaReC - Joint Online Mathematical Relativity Collo
 quium\n\n\nAbstract\nIn cosmology\, the universe is typically modelled by 
 spatially homogeneous and isotropic solutions to Einstein’s equations. H
 owever\, for large classes of matter models\, such solutions are unstable 
 in the direction of the singularity. For this reason\, it is of interest t
 o study the anisotropic setting. \n\nThe purpose of the talk is to describ
 e a framework for studying highly anisotropic singularities. In particular
 \, for analysing the asymptotics of solutions to linear systems of wave eq
 uations on the corresponding backgrounds and deducing information concerni
 ng the geometry.\n\nThe talk will begin with an overview of existing resul
 ts. This will serve as a background and motivation for the problem conside
 red\, but also as a justification for the assumptions defining the framewo
 rk we develop. Following this overview\, the talk will conclude with a rou
 gh description of the results.\n
LOCATION:https://researchseminars.org/talk/jomarec/1/
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