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Unlikely Intersections and Applications to Diophantine Problems

Introductory Workshop: Diophantine Geometry February 06, 2023 - February 10, 2023

February 10, 2023 (02:00 PM PST - 03:00 PM PST)
Speaker(s): Laura Capuano (Università degli Studi Roma Tre)
Location: MSRI: Simons Auditorium, Online/Virtual
  • unlikely intersections

  • Diophantine geometry

  • abelian varieties

Primary Mathematics Subject Classification
Secondary Mathematics Subject Classification

Unlikely Intersections And Applications To Diophantine Problems


The Zilber-Pink conjectures on unlikely intersections deal with intersections of subvarieties of a (semi)abelian variety or, more in general, of a Shimura variety, with “special” subvarieties of the ambient space. These conjectures generalize many classical results such as Faltings’ Theorem (Mordell Conjecture), Raynaud’s Theorem (Manin-Mumford Conjecture) and André-Oort Conjecture and have been studied by several authors in the last two decades.

Most proofs of results in this area follow the well-established Pila-Zannier strategy, first introduced by the two authors in 2008 to give an alternative proof of Raynaud’s theorem as a combination of results coming from o-minimality (Pila-Wilkie’s theorem) with other diophantine ingredients. The talk will focus on a general introduction to these problems, on some results for semi-abelian varieties and families of abelian varieties, and on applications to other problems of diophantine nature.

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Unlikely Intersections And Applications To Diophantine Problems

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