
handle: 2445/222437
L’objectiu d’aquest TFG és demostrar que el conjunt de punts crítics de l’acció clàssica de Chern-Simons per a una varietat espai-temps tridimensional tancada $M$ i un grup de Lie compacte i simplement connex $G$ és el conjunt de connexions planes de $G$ sobre $M$. Per establir aquest resultat, primer desenvolupem la teoria fonamental dels grups de Lie, les àlgebres de Lie i els fibrats principals, que són fibrats amb un grup de Lie com a fibra.
The aim of this thesis is to prove that the set of critical points of the Chern-Simons classical action for a closed, three-dimensional spacetime manifold $M$ and a compact, simply connected Lie group $G$ is the set of flat $G$-connections over $M$. To establish this result, we first develop the foundational theory of Lie groups, Lie algebras and principal bundles-fibre bundles with a Lie group as their fibre.
Treballs Finals de Grau de Matemàtiques, Facultat de Matemàtiques, Universitat de Barcelona, Any: 2025, Director: Ricardo García López
Lie groups, Differential topology, Invariants, Fiber bundles (Mathematics), Bachelor's theses, Grups de Lie, Feixos fibrats (Matemàtica), Treballs de fi de grau, Topologia diferencial
Lie groups, Differential topology, Invariants, Fiber bundles (Mathematics), Bachelor's theses, Grups de Lie, Feixos fibrats (Matemàtica), Treballs de fi de grau, Topologia diferencial
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