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Lehmer problem and applications

Connections for Women: Model Theory and Its Interactions with Number Theory and Arithmetic Geometry February 10, 2014 - February 11, 2014

February 10, 2014 (02:00 PM PST - 03:00 PM PST)
Speaker(s): Maria Carrizosa (Universite Lyon 1)
Location: MSRI: Simons Auditorium
Primary Mathematics Subject Classification No Primary AMS MSC
Secondary Mathematics Subject Classification No Secondary AMS MSC


Lehmer conjecture predicts a lower bound for the height of a non zero algebraic integer wich is not a root of unity in terms of its degree. In this talk, we explain how the relative Lehmer problem is related to the Zilber-Pink conjecture. The idea comes from the rst article of Bombieri, Masser and Zannier on the subject : they used the lower bounds for the height given by the Lehmer problem to proove that the bounded height subset of Gn m that they were interested in, was nite. Indeed, Lehmer type bounds are used to proove that such a subset has bounded degree and by Northcott property they conlcuded niteness. We'll explain how this argument works in the context of abelian varieties.

20175?type=thumb Carrizosa notes 148 KB application/pdf Download
Video/Audio Files


H.264 Video v1267.mp4 343 MB video/mp4 rtsp://videos.msri.org/data/000/019/920/original/v1267.mp4 Download
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