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Master's Dissertation
DOI
https://doi.org/10.11606/D.45.2024.tde-25042024-191027
Document
Author
Full name
Eduardo de Carvalho Andrade
E-mail
Institute/School/College
Knowledge Area
Date of Defense
Published
São Paulo, 2024
Supervisor
Committee
Gonzalez, Cristian Andres Ortiz (President)
Brahic, Olivier
Hoefel, Eduardo Outeiral Correa
Title in Portuguese
Geometria 2-plética, algebroides de Courant, e simetrias infinitesimais de S¹-bundle gerbes
Keywords in Portuguese
2-álgebras de Lie
Algebroides de Courant
Bundle gerebes
Variedades 2-plética
Abstract in Portuguese
Para toda variedade 2-plética nós podemos associar um algebroide de Courant exato e também uma 2-álgebra de Lie consistindo de funções suaves e 1-formas hamiltonianas (álgebra de observáveis). Nós veremos que existe um morfismo de 2-álgebras de Lie entre a álgebra de observáveis e a 2-álgebra de Lie do algebroide de Courant associado (esta consiste de seções do algebroide de Courant e funções suaves). Além disso, considerando um S¹-bundle gerbe sobre a mesma variedade 2-plética, mostraremos que existe um quasi-isomorfismo entre a álgebra de observáveis e a 2-álgebra de Lie das simetrias infinitesimais que preservam a estrutura conectiva do S¹-bundle gerbe.
Title in English
2-Plectic geometry, Courant algebroids, and infinitesimal symmetries of S¹-bundle gerbes
Keywords in English
2-plectic manifolds
Bundle gerbes
Courant algebroids
Lie 2-algebras
Abstract in English
To every 2-plectic manifold we can associate an exact Courant algebroid and also a Lie 2-algebra consisting of smooth functions and hamiltonian 1-forms (algebra of observables). We will se that there is a morphism of Lie 2-algebras between the algebra of observables and the Lie 2-algebra of the associated Courant algebroid (this consists of sections of the Courant algebroid and smooth functions). Furthermore, considering a S¹-bundle gerbe on the same 2-plectic manifold, we will see that there is a quasi-isomorphism between the algebra of observables and the Lie 2-algebra of the infinitesimal symmetries of the S¹-bundle gerbe that preserve the connective structure of the bundle gerbe.
 
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Publishing Date
2024-04-26
 
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