Representations of surface groups and Higgs bundles - II
1 hour 2 mins 38 secs,
866.48 MB,
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Description: |
Gothen, P (Universidade do Porto)
Monday 10 January 2011, 11:30-12:30 |
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Created: | 2011-01-13 09:36 | ||||
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Collection: | Moduli Spaces | ||||
Publisher: | Isaac Newton Institute | ||||
Copyright: | Gothen, P | ||||
Language: | eng (English) | ||||
Credits: |
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Abstract: | A Higgs bundle on a Riemann surface is a pair consisting of a holomorphic bundle and a holomorphic one-form, the Higgs field, with values in a certain associated vector bundle. A theorem of Hitchin and Simpson says that a stable Higgs bundle admits a metric satisfying Hitchin's equations. Together with the Theorem of Corlette and Donaldson, the Hitchin-Kobayashi correspondence generalizes the classical Hodge decomposition of the first cohomology of the Riemann surface, providing a correspondence between isomorphism classes of Higgs bundles and representations of the fundamental group of the surface. |
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