| Résume | Résumé: It is well-known that the Teichmüller space of a compact real surface can be identified with a connected component of the moduli space of representations of the fundamental group of the surface in PSL(2,R). Higher Teichmüller spaces are generalizations of this for certain non-compact real Lie groups of higher rank. Exploiting the non-abelian Hodge correspondence, relating to Higgs bundles over a Riemann surface, and the more recently obtained Cayley correspondence, we address the study of the topology of higher Teichmüller spaces. In particular, we will compute the intersection cohomology of certain singular higher Teichmüller spaces.
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