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On the Hasse principle for integral points

Date: Thursday, December 6, 2018 13:30 - 15:30
Speaker: Damaris Schindler (Universit├Ąt Utrecht)
Location: Big Seminar room Ground floor / Office Bldg West (I21.EG.101)
Series: Mathematics and CS Seminar
Host: Tim Browning
Contact: WHEATLEY Susanne
Lab building west seminar room

Abstract:

In this talk we discuss some aspects of the local-global principle for integral points. In particular we will see concrete examples of Brauer classes obstructing the Hasse principle and discuss obstructions to the local-global principle more generally. Some of our focus will then be on the case of systems of two (inhomogeneous) quadratic equations - or open del Pezzo surfaces of degree four.
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