Volume Distance to Hypersurfaces: Asymptotic Behavior of its Hessian

Details Volume Distance to Hypersurfaces: Asymptotic Behavior of its Hessian Volume Distance to Hypersurfaces: Asymptotic Behavior of its Hessian

2010-07-14

arxiv.org/abs/1007.2232v5

Mathematics

Differential Geometry

10 pages, 2 figures

Scientific paper

The volume distance from a point p to a convex hypersurface M of the (N+1)-dimensional space is defined as the minimum (N+1)-volume of a region bounded by M and a hyperplane H through the point. This function is differentiable in a neighborhood of M and if we restrict its hessian to the minimizing hyperplane H(p) we obtain, after normalization, a symmetric bi-linear form Q. In this paper, we prove that Q converges to the affine Blaschke metric when we approximate the hypersurface along a curve whose points are centroids of parallel sections. We also show that the rate of this convergence is given by a bilinear form associated with the shape operator of M. These convergence results provide a geometric interpretation of the Blaschke metric and the shape operator in terms of the volume distance.

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