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## Unfaking the fake Selmer groupAdd to your list(s) Download to your calendar using vCal - Ronald van Luijk (Leiden)
- Tuesday 23 November 2010, 14:30-15:30
- MR13.
If you have a question about this talk, please contact Tom Fisher. Let J(k)/2J(k) in it can be
determined by deciding for each element of the Selmer group separately
whether or not it is in the image of J(k)/2J(k). Unfortunately, the
abstract definition of the Selmer group is not very amenable to
explicit computations, which are in practice done with the fake Selmer
group instead. In general the fake Selmer group is isomorphic to a
quotient of the Selmer group by a subgroup of order 1 or 2. In
this talk we will define all the groups just mentioned and we will
introduce a new group, equally amenable to explicit computations as
the fake Selmer group, that is always isomorphic to the Selmer group.
This is joint work with Michael Stoll.This talk is part of the Number Theory Seminar series. ## This talk is included in these lists:- All CMS events
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