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Doctoral Thesis
DOI
https://doi.org/10.11606/T.45.2022.tde-05052022-122744
Document
Author
Full name
Juan Sebastian Herrera Carmona
E-mail
Institute/School/College
Knowledge Area
Date of Defense
Published
São Paulo, 2022
Supervisor
Committee
Gonzalez, Cristian Andres Ortiz (President)
Hoefel, Eduardo Outeiral Correa
Melo, Mateus Moreira de
Pinzón, Maria Amelia Salazar
Zambon, Marco
Title in English
Chern-Weil-Lecomte morphism for L∞-algebras
Keywords in English
Chern-Weil homomorphism
Extensions of L∞-algebras
L∞-algebras
Lie 2-groups
Lie groupoids
Principal 2-bundles
Abstract in English
In this thesis we extend the Chern-Weil-Lecomte morphism to the setting of extensions of L∞-algebras together with a representation up to homotopy. This morphism takes values in the L∞-algebra cohomology with coefficients in a graded vector space. We prove that this construction is natural and that the L∞-algebra cohomology is invariant by equivariant L∞-quasi-isomorphisms. As an application we obtain a Chern-Weil-Lecomte morphism for principal 2-bundles over a Lie groupoid that admit a 2-connection form.
Title in Portuguese
O morfismo de Chern-Weil-Lecomte para L∞-álgebras
Keywords in Portuguese
2-fibrados principais
2-grupos de Lie
Extensões de L∞-álgebras
Grupoides de Lie
Homomorfismo de Chern-Weil
L∞-álgebras
Abstract in Portuguese
Nesta tese, estendemos o morfismo de Chern-Weil-Lecomte para o contexto de extensões de L∞-álgebras junto com uma representação a menos de homotopia. Este morfismo toma valores na cohomologia de uma L∞-álgebra com coeficentes em um espaço vetorial graduado. Provamos que esta construção é natural e que a cohomologia é invariante por quasi-isomorfismos equivariantes de L∞-álgebras. Como aplicação obtemos um morfismo de Chern-Weil-Lecomte para 2-fibrados principais sobre grupoides de Lie que admitem uma 2-conexão.
 
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Publishing Date
2022-05-09
 
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