Determination of a compact Finsler manifold from its boundary distance map and an inverse problem in elasticity (bibtex)
by Maarten V. de Hoop, Joonas Ilmavirta, Matti Lassas, Teemu Saksala
Abstract:
We prove that the boundary distance map of a smooth compact Finsler manifold with smooth boundary determines its topological and differential structures. We construct the optimal fiberwise open subset of its tangent bundle and show that the boundary distance map determines the Finsler function in this set but not in its exterior. If the Finsler function is fiberwise real analytic, it is determined uniquely. We also discuss the smoothness of the distance function between interior and boundary points.
Reference:
Determination of a compact Finsler manifold from its boundary distance map and an inverse problem in elasticity (Maarten V. de Hoop, Joonas Ilmavirta, Matti Lassas, Teemu Saksala), Communications in Analysis and Geometry, 2019. (To appear.) [show abstract] [hide abstract] We prove that the boundary distance map of a smooth compact Finsler manifold with smooth boundary determines its topological and differential structures. We construct the optimal fiberwise open subset of its tangent bundle and show that the boundary distance map determines the Finsler function in this set but not in its exterior. If the Finsler function is fiberwise real analytic, it is determined uniquely. We also discuss the smoothness of the distance function between interior and boundary points. [arXiv]
Bibtex Entry:
@article{finsler-bdf,
	author = {Maarten V. de Hoop and Joonas Ilmavirta and Matti Lassas and Teemu Saksala},
	title = {{Determination of a compact Finsler manifold from its boundary distance map and an inverse problem in elasticity}},
	journal = {Communications in Analysis and Geometry},
	note = {To appear.},
	month = jan,
	year = {2019},
	arxiv = {1901.03902},
	url={http://users.jyu.fi/~jojapeil/pub/Finsler_BDF.pdf},
        gsid = {6019800401652603301},
	abstract = {We prove that the boundary distance map of a smooth compact Finsler manifold with smooth boundary determines its topological and differential structures. We construct the optimal fiberwise open subset of its tangent bundle and show that the boundary distance map determines the Finsler function in this set but not in its exterior. If the Finsler function is fiberwise real analytic, it is determined uniquely. We also discuss the smoothness of the distance function between interior and boundary points.}
}
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