The inverse sieve problem
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 Miguel Walsh (Buenos Aires) Wednesday 20 February 2013, 16:00-17:00 MR11, CMS.
If you have a question about this talk, please contact Ben Green.
Suppose S in [N]^d is a big set of integer points which is very badly
distributed in residue classes for many primes. A remarkable conjecture of
Helfgott and Venkatesh asserts that the only way in which this can happen
is if the set S is strongly algebraic, in a precise sense. In this talk we
will be concerned with this question and how to obtain a positive answer
whenever the dimension d is greater than one.
This talk is part of the Discrete Analysis Seminar series.
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