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Regularity of distance functions from arbitrary closed sets

Published in Mathematische Annalen , 2022

Description of the structure of the set where an anisotropic distance function to an arbitrary closed set is twice pointwise differentiable.

Recommended citation: Kolasiński, Sławomir and Santilli, Mario, "Regularity of the distance function from arbitrary closed sets.", 2023, Math. Ann. , Vol. 386, No. 1-2, p. 735-777
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