Abstract. The present note is mostly a survey on the generalised Hitchin integrable system and moduli spaces of meromorphic Higgs bundles. We also fill minor gaps in the existing literature, outline a calculation of the infinitesimal period map and review briefly some related geometries.
Abstract. The present note is mostly a survey on the generalised Hitchin integrable system and moduli spaces of meromorphic Higgs bundles. We also fill minor gaps in the existing literature, outline a calculation of the infinitesimal period map and review briefly some related geometries.
These are largely expanded notes from lectures on Higgs moduli and
abelianisation given in Angers, France (2014) and Guaruja, Brazil (2015).
Dedicated to Ugo Bruzzo on his 60-th birthday. Version 2: minor corrections.Comment: Comments welcome
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