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A Localized Besicovitch-Federer Projection Theorem by Pugh, Harrison is a scholarly article available to read on EtoBox.

What is A Localized Besicovitch-Federer Projection Theorem about?

The classical Besicovitch-Federer projection theorem implies that the d-dimensional Hausdorff measure of a set in Euclidean space with non-negligible d-unrectifiable part will strictly decrease under orthogonal projection onto almost every d-dimensional linear subspace. In fact, there exist maps which are arbitrarily close to the identity in the C^0 topology which have the same property. A converse holds as well, yielding the following rectifiability criterion: under mild assumptions, a set is rectifiable if and only if its Hausdorff measure is lower semi-continuous under bounded Lipschitz perturbations.

Author

Pugh, Harrison

Published

2016

Language

EN