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Relation between the Étale fundamental group and stratifications

Categorical Structures in Harmonic Analysis November 17, 2014 - November 21, 2014

November 19, 2014 (09:30 AM PST - 10:30 AM PST)
Speaker(s): Hélène Esnault (Freie Universität Berlin)
Location: MSRI: Simons Auditorium
Primary Mathematics Subject Classification No Primary AMS MSC
Secondary Mathematics Subject Classification No Secondary AMS MSC



We will survey them. The relation to analysis lies in the fact that stratifications are related to differential equations, and to categories in the fact that the fundamental groups in question are those Tannakian fundamental groups of those categories. Else one should honestly say that the deep questions which will be mentioned are rather about the connection between Étale topology  and various crystalline sites.

22335?type=thumb Esnault Notes 866 KB application/pdf Download
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