Boundary rigidity and stability for generic simple metrics |
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Authors: | Plamen Stefanov Gunther Uhlmann |
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Institution: | Department of Mathematics, Purdue University, West Lafayette, Indiana 47907 ; Department of Mathematics, University of Washington, Seattle, Washington 98195 |
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Abstract: | We study the boundary rigidity problem for compact Riemannian manifolds with boundary : is the Riemannian metric uniquely determined, up to an action of diffeomorphism fixing the boundary, by the distance function known for all boundary points and ? We prove in this paper local and global uniqueness and stability for the boundary rigidity problem for generic simple metrics. More specifically, we show that there exists a generic set of simple Riemannian metrics such that for any , any two Riemannian metrics in some neighborhood of having the same distance function, must be isometric. Similarly, there is a generic set of pairs of simple metrics with the same property. We also prove Hölder type stability estimates for this problem for metrics which are close to a given one in . |
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Keywords: | Boundary rigidity Riemannian manifold |
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