Searching for S-duality in Gravitation

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We overview some attempts to find S-duality analogues of non-supersymmetric Yang-Mills theory, in the context of gravity theories. The case of MacDowell-Mansouri gauge theory of gravity is discussed. Three-dimensional dimensional reductions from the topological gravitational sector in four dimensions, enable to recuperate the 2+1 Chern-Simons gravity and the corresponding S-dual theory, from the notion of self-duality in the four-dimensional theory.
8+1 pages, LaTeX file, no figures. Invited talk at the `Third Workshop on Gravitation and Mathematical Physics', Leon Gto. Mexico

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High Energy Physics - Theory

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http://salesiana.dossiersoluciones.com/handle/123456789/49920

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/hep-th/0003083
 http://arxiv.org/abs/hep-th/0003083

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arXiv