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UID:c73a6972867c818cd2ea986d178d5a6b
CATEGORIES:Topology/Geometry Seminar
CREATED:20240126T135344
SUMMARY:Infiniteness of 4-dimensional mapping class groups and characteristic classes
LOCATION:Hill 705
DESCRIPTION:<p>Seminar website:&nbsp;<a href="https://sites.google.com/view/rutgersgeom
 etrytopologysem2324/home">https://sites.google.com/view/rutgersgeometrytopo
 logysem2324</a></p>
CONTACT:Hokuto Konno (University of Tokyo/MIT)
X-EXTRAINFO:Abstract:\nMany authors discovered special phenomena in dimension 4 that do
  not occur in other dimensions, but today it has become difficult to find s
 uch phenomena in classical problems about exotic structures on manifolds. W
 e present a new special phenomenon in dimension 4 from the point of view of
  infiniteness of mapping class groups and characteristic classes of fiber b
 undles. The proof uses a new series of characteristic classes obtained from
  Seiberg-Witten theory for families.
DTSTAMP:20260828T052252
DTSTART;TZID=America/New_York:20240130T160000
DTEND;TZID=America/New_York:20240130T170000
SEQUENCE:0
TRANSP:OPAQUE
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