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Thursday, December 5, 2013

Spectral networks and abelianization

Lotte Hollands (Oxford)

Abstract: Gauge theory is rich in geometry. One particularly interesting notion is that of a spectral network on a punctured Riemann surface C, which can be motivated from the study of certain supersymmetric gauge theories. In this colloquium I will introduce spectral networks, and discuss a purely mathematical application: with a spectral network one can abelianize flat connections on the surface C. This will unify the description of shear as well as length-twist coordinates on Teichmueller space.

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Location :  Room 611 of the Hans Freudenthal building, formerly known as the Wiskunde/Maths building, (campus De Uithof) Budapestlaan 6, Utrecht.
Date and time : Thursday, December 5, 2013 15:30-16:30. The lecture is preceded by coffee, tea, and cookies from 15.00 to 15.30 hour in the same room.