Multiplicative Higgs bundles and involutions

In this paper we generalize the theory of multiplicative G-Higgs bundles over a curve to pairs (G,θ), where G is a reductive algebraic group and θ is an involution of G. This generalization involves the notion of a multiplicative Higgs bundle taking values in a symmetric variety associated to θ, or...

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Detalhes bibliográficos
Autores: Gallego, Guillermo, García Prada, Oscar
Tipo de documento: artigo
Data de publicação:2024
País:España
Recursos:Universidad Complutense de Madrid (UCM)
Repositório:Docta Complutense
Idioma:inglês
OAI Identifier:oai:docta.ucm.es:20.500.14352/106846
Acesso em linha:https://hdl.handle.net/20.500.14352/106846
Access Level:Acceso aberto
Palavra-chave:Multiplicative Higgs bundle
Multiplicative Hitchin fibration
Involution
Symmetric variety
Equivariant embedding
Wonderful compactification
Geometria algebraica
1204.02 Variedades Complejas
Descrição
Resumo:In this paper we generalize the theory of multiplicative G-Higgs bundles over a curve to pairs (G,θ), where G is a reductive algebraic group and θ is an involution of G. This generalization involves the notion of a multiplicative Higgs bundle taking values in a symmetric variety associated to θ, or in an equivariant embedding of it. We also study how these objects appear as fixed points of involutions of the moduli space of multiplicative G-Higgs bundles, induced by the involution θ.