Orador: Gonzalo Olmo. Data, hora e local: 10 de Novembro de 2015, às 11h30m na sala de reuniões do Departamento de Matemática.

Resumo: Using exactly solvable models derived within a metric-affine (or Palatini) geometric context, black hole interiors in extensions of General Relativity will be discussed. These solutions describe black hole space-times with a wormhole giving structure to the otherwise point-like singularity. This type of solutions can be naturally interpreted as geons in Wheeler’s sense. After discussing the definition of singular space-time, it will be shown that these solutions are nonsingular. An introduction to metric-affine gravity and its motivations will also be provided.

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Funded by the Portuguese Government through the FCT – Fundação para a Ciência e a Tecnologia under the project UID/MAT/00212/2013