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SUMMARY:Gabriel Islambouli (UC Davis)
DTSTART:20230503T220000Z
DTEND:20230503T233000Z
DTSTAMP:20260423T005719Z
UID:PIMS_GAP/12
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/PIMS_GAP/12/
 ">Multisections and Bridge multisections</a>\nby Gabriel Islambouli (UC Da
 vis) as part of PIMS Geometry / Algebra / Physics (GAP) Seminar\n\n\nAbstr
 act\nIn 2016\, Gay and Kirby showed that every compact smooth 4-manifold c
 an be decomposed into three standard pieces. A particularly nice feature o
 f this decomposition is that the smooth topology of the 4-manifold can be 
 encoded by curves on a surface. In this talk\, we explore the consequences
  of allowing more pieces in this decomposition\, and show that many intere
 sting cut and paste procedures can be carried out by natural mapping class
 es on the surface. We also explore a related decomposition for knotted sur
 faces in a 4-manifold.\n
LOCATION:https://researchseminars.org/talk/PIMS_GAP/12/
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