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DMS Research Seminar: Higgs bundles at the Fuchsian locus May 18, 2015 (10:00 AM PDT - 12:30 PM PDT)
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Location: MSRI: Simons Auditorium
Speaker(s) Richard Wentworth (University of Maryland)
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I will present results on the first order behavior of certain geometric quantities at the Fuchsian locus of the Hitchin component. These may be regarded as "higher" analogs of classical formulas in Teichmueller theory.  The plan of the talk is the following: in the first part, I will give a precise description in terms of holomorphic differentials of the tangent spaces at the Fuchsian locus to the moduli of  Higgs bundles, Opers, and the Hitchin component. This will lead to a generalization of Ahlfors' result on the vanishing  of the first order variation of the harmonic metric for certain good variations. In the second part, I will explain the relationship between Poincare series and the hamiltonian vector fields associated to holonomy of Hitchin representations about simple closed curves

This is joint work with Francois Labourie.

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