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SUMMARY: Floer cohomology of the Chiang Lagrangian - Jonny Evans\, UCL
DTSTART:20140514T150000Z
DTEND:20140514T160000Z
UID:TALK51269@talks.cam.ac.uk
CONTACT:Ivan Smith
DESCRIPTION:Joint work with YankI Lekili. If we think of CP3 as the space 
 of triples of points on the sphere then the Chiang Lagrangian is the subsp
 ace of triples with centre of mass at the origin. We will see that it has 
 non-vanishing Floer cohomology if and only if the coefficient ring has cha
 racteristic 5. This calculation involves some general theory\, true for al
 l homogeneous Lagrangian submanifolds\, and some very specific geometry in
  CP3 involving the twisted cubic.
LOCATION:MR13
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