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Jan 26, 2023

Vinberg pairs and Higgs bundles

ALGEBRAIC GEOMETRY AND NUMBER THEORY SEMINAR

Date: January 26, 2023 | 2:00 pm – 4:00 pm
Speaker: Oscar Garcia-Prada, ICMAT, Madrid
Location: Heinzel Seminar Room (I21.EG.101), Office Building West
Language: English

A finite order automorphism of a complex semisimple Lie group determines  a cyclic grading of its Lie algebra. Vinberg's theory is concerned with the geometric invariant theory associated to this grading. Important examples include the case of involutions and representations of cyclic quivers. After reviewing some basic facts about Vinberg's theory, in this talk I will discuss about its relation to the geometry of  moduli spaces of Higgs bundles over a compact Riemann surface.

More Information:

Date:
January 26, 2023
2:00 pm – 4:00 pm

Speaker:
Oscar Garcia-Prada, ICMAT, Madrid

Location:
Heinzel Seminar Room (I21.EG.101), Office Building West

Language:
English

Contact:

Birgit Oosthuizen-Noczil

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