Superrigidity in infinite dimension and finite rank via harmonic maps
Bruno Duchesne
Université de Lorraine, CNRS, Vandoeuvre-lès-Nancy, France
Abstract
We consider infinite dimensional Riemannian manifolds of nonpositive curvature and finite telescopic dimension. We prove geometric superrigidity for actions of cocompact lattices in semisimple Lie groups of higher rank on theses spaces.
Cite this article
Bruno Duchesne, Superrigidity in infinite dimension and finite rank via harmonic maps. Groups Geom. Dyn. 9 (2015), no. 1, pp. 133–148
DOI 10.4171/GGD/308