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Caltech

Number Theory Seminar

Thursday, May 2, 2024
4:00pm to 5:00pm
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Linde Hall 387
Simple abelian varieties over finite fields with extreme point counts
Alexander Smith, Mathematics Department, UCLA,

Given a compactly supported probability measure on the reals, we will give a necessary and sufficient condition for there to be a sequence of totally real algebraic integers whose distribution of conjugates approaches the measure. We use this result to prove that there are infinitely many totally positive algebraic integers X satisfying tr(X)/deg(X) < 1.899; previously, there were only known to be infinitely many such integers satisfying tr(X)/deg(X) < 2. We also will explain how our method can be used in the search for simple abelian varieties with extreme point counts.

For more information, please contact Math Department by phone at 626-395-4335 or by email at [email protected].