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The homology cobordism group


Speaker: Ciprian Manolescu, UCLA
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Location: 1147 MSB
Start time: Thu, Nov 29 2018, 3:10PM

The three-dimensional homology cobordism group underlies the study of triangulations on high-dimensional manifolds. I will review what is known about this group, with an emphasis on recent progress based on Pin(2)-equivariant Seiberg-Witten Floer spectra and involutive Heegaard Floer homology.