BEGIN:VCALENDAR VERSION:2.0 PRODID:-//linuxsoftware.nz//NONSGML Joyous v1.4//EN BEGIN:VEVENT SUMMARY:Breaking black-hole uniqueness at supermassive scales DTSTART:20250206T143000Z DTEND:20250206T160000Z DTSTAMP:20260730T213925Z UID:7391ddc4-dde9-453d-afd2-db2cd65b3901 SEQUENCE:2 CREATED:20250204T100033Z DESCRIPTION:In general relativity\, all vacuum black holes are described b y the Kerr metric. However\, beyond general relativity\, there is a prevai ling expectation that deviations from the Kerr solution are more likely to manifest with increasing horizon curvature\, making solar-mass black hole s more promising grounds to test general relativity. In this talk I will c hallenge this expectation and discuss a model where black holes differ fro m Kerr only in a finite mass range\, bounded from above and below. In part icular\, black-hole uniqueness can be broken at supermassive black-hole sc ales\, while solar-mass black holes remain well-described by the Kerr solu tion. LAST-MODIFIED:20250204T100046Z LOCATION:DF Seminar Room (2-8.3)\, 2nd floor of Physics Building URL:http://df.vps.tecnico.ulisboa.pt/pt/eventos/breaking-black-hole-unique ness-at-supermassive-scales/ X-ALT-DESC;FMTTYPE=text/html:

In general relativi ty\, all vacuum black holes are described by the Kerr metric. However\, be yond general relativity\, there is a prevailing expectation that deviation s from the Kerr solution are more likely to manifest with increasing horiz on curvature\, making solar-mass black holes more promising grounds to tes t general relativity.

In this talk I will challenge this expecta tion and discuss a model where black holes differ from Kerr only in a fini te mass range\, bounded from above and below. In particular\, black-hole u niqueness can be broken at supermassive black-hole scales\, while solar-ma ss black holes remain well-described by the Kerr solution.

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