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Covers counting via Feynman calculus

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Speaker: 
Maksim Karev
Date: 
Fri, 06/09/2013 - 11:15 - 12:00
Location: 
MPIM Lecture Hall

Double Hurwitz numbers are the weighted numbers of ramified covers of a Riemann sphere with some specified ramificaton data. I will describe a way to count double Hurwitz numbers using the complex Feynman calculus formalism and discuss some related problems.
 

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