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SUMMARY:Spectral gaps\, L^2 Betti numbers and the coarse Baum-Connes conje
 cture - Piotr Nowak (Polish Academy of Sciences)
DTSTART:20250715T091500Z
DTEND:20250715T101500Z
UID:TALK233557@talks.cam.ac.uk
DESCRIPTION:I will explain how spectral gaps for cohomological Laplacians 
 in higher degrees lead to obstructions to surjectivity of the coarse assem
 bly map. This is joint work with Kang Li and Sanaz Pooya.
LOCATION:Seminar Room 1\, Newton Institute
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