Reference : Constant Gaussian curvature foliations and Schläfli formulas of hyperbolic 3-manifolds
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Physical, chemical, mathematical & earth Sciences : Mathematics
Constant Gaussian curvature foliations and Schläfli formulas of hyperbolic 3-manifolds
Mazzoli, Filippo mailto [University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Mathematics Research Unit >]
[en] Kleinian groups ; Teichmüller Theory ; hyperbolic geometry ; convex cocompact ; k-surfaces
[en] We study the geometry of the foliation by constant Gaussian curvature surfaces (S_k)_k of a hyperbolic end, and how it relates to the structures of its boundary at infinity and of its pleated boundary. First, we show that the Thurston and the Schwarzian parametrizations are the limits of two families of parametrizations of the space of hyperbolic ends, defined by Labourie in 1992 in terms of the geometry of the leaves S_k. We give a new description of the renormalized volume using the constant curvature foliation. We prove a generalization of McMullen's Kleinian reciprocity theorem, which replaces the role of the Schwarzian parametrization with Labourie's parametrizations. Finally, we describe the constant curvature foliation of a hyperbolic end as the integral curve of a time-dependent Hamiltonian vector field on the cotangent space to Teichmüller space, in analogy to the Moncrief flow for constant mean curvature foliations in Lorenzian space-times.

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