Title: Sobolev metrics on the manifold of all Riemannian metrics
Abstract: On the manifold $\Met(M)$ of all Riemannian metrics on a compact manifold $M$ one can consider the natural $L^2$-metric as described first by \cite{Ebin70}. In this paper we consider variants of this metric which in general are of higher order. We derive the geodesic equations, we show that they are well-posed under some conditions and induce a locally diffeomorphic geodesic exponential mapping. We give a condition when Ricci flow is a gradient flow for one of these metrics.
Publication Year: 2011
Publication Date: 2011-02-16
Language: en
Type: preprint
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