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SUMMARY:Matching asymptotic charges using Friedrich's cylinder at spatial 
 infinity - Mariem  Magdy (Instituto Superior Técnico\, Lisboa)
DTSTART:20240917T153000Z
DTEND:20240917T163000Z
UID:TALK220453@talks.cam.ac.uk
DESCRIPTION:&nbsp\;\nThe existence of a global diagonal asymptotic symmetr
 y group in classical general relativity relies on the conjectured antipoda
 l matching of the asymptotic symmetry groups at past and future null infin
 ity in the limit of spatial infinity. In this talk\, I will explore how Fr
 iedrich's conformal approach\, particularly the cylinder at spatial infini
 ty\, provides a framework for proving the matching of asymptotic charges a
 ssociated with these symmetry groups. Given enough time\, I will also brie
 fly discuss related results for the asymptotic charges associated with spi
 n-0\, spin-1 and spin-2 fields in Minkowski spacetime.
LOCATION:Seminar Room 2\, Newton Institute
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