Brauer-Manin obstructions for sections of the fundamental group

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Description: Stix, J (Heidelberg)
Thursday 27 August 2009, 11:00-12:00
 
Created: 2009-09-04 11:44
Collection: Non-Abelian Fundamental Groups in Arithmetic Geometry
Publisher: Isaac Newton Institute
Copyright: Stix, J (Heidelberg)
Language: eng (English)
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Author:  Stix, J (Heidelberg)
 
Abstract: We introduce the notion of a Brauer-Manin obstruction for sections of the fundamental group extension of varieties over number fields. This obstruction is then shown in an example to yield a proof for the absence of sections.
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