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International symposium "Arithmetic days in Moscow"
June 16, 2011 11:20, Moscow, Steklov Mathematical Institute
 


Strong approximation and integral Brauer–Manin obstruction

A. Kresch

University of Zürich
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A. Kresch


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Abstract: After quickly reviewing the Brauer–Manin obstruction for rational points on a complete variety over a number field we will discuss the setting of open varieties where consideration of the Brauer group leads to an obstruction to strong approximation. We describe some examples and results, including cases where the Brauer–Manin obstruction to strong approximation is known to be the only one.

Language: English

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