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SUMMARY:Tony Feng (MIT)
DTSTART:20200611T173000Z
DTEND:20200611T183000Z
DTSTAMP:20260423T004139Z
UID:MAGIC/5
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/MAGIC/5/">Th
 e Galois action on symplectic K-theory</a>\nby Tony Feng (MIT) as part of 
 MAGIC (Michigan - Arithmetic Geometry Initiative - Columbia)\n\n\nAbstract
 \nInteresting Galois representations occur in the cohomology of arithmetic
  groups. For example\, all Galois representations attached to elliptic cur
 ves over Q arise in this way. It turns out that arithmetic geometry can be
  used to construct a natural Galois action on a type of invariant called a
 lgebraic K-theory\, which is closely related to the stable homology of ari
 thmetic groups. I will explain this and joint work with Akshay Venkatesh a
 nd Soren Galatius in which we compute the Galois action on the symplectic 
 K-theory of the integers.\n
LOCATION:https://researchseminars.org/talk/MAGIC/5/
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