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Variétés rationnelles

Horaires : Le vendredi 27 novembre 2015, 15h-16h

Lieu : ENS, salle W

Strong approximation and a conjecture of Harpaz and Wittenberg

Damaris Schindler (IAS, Princeton)

In recent work Harpaz and Wittenberg established a general fibration theorem for the existence of rational points, conditional on a conjecture on locally split values of polynomials. In this talk we report on joint work with Tim Browning, which establishes a special case of their conjecture. We achieve this in proving strong approximation off a non-empty finite set of places for some varieties which are defined using norm forms.

 

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