HEBREW UNIVERSITY
 
Amitsur Algebra Seminar
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Time: Thursday, Oct 25 , 12:00-13:15
 
Place: math 209
 
Speaker: Erez Lapid (HUJI)
 
Title: an approximation principle for congruence subgroups
 
Abstract:
A well-known theorem of Nori (which was later on generalized by
Larsen-Pink) asserts that, roughly speaking, the subgroups of
GL_n(F_p) are ``not far'' from algebraic.
I will tell about a result of the same spirit, but much cruder, for
congruence subgroups of G(Z_p) where G is a reductive group over the
p-adic integers.
Some applications will be discussed as well.
This is joint work with Tobias Finis.
 
You are cordially invited!
 
 <http://math.huji.ac.il/amitsur.html>
 
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Technion Math Net-2 (TECHMATH2)
Editor: Michael Cwikel   <techm@math.technion.ac.il> 
Announcement from: Gili Schul   <gili.schul@mail.huji.ac.il>