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Typical Lipschitz images of rectifiable metric spaces.
- Source :
-
Journal für die Reine und Angewandte Mathematik . May2024, Vol. 2024 Issue 810, p139-188. 50p. - Publication Year :
- 2024
-
Abstract
- This article studies typical 1-Lipschitz images of 푛-rectifiable metric spaces 퐸 into R m for m ≥ n . For example, if E ⊂ R k , we show that the Jacobian of such a typical 1-Lipschitz map equals 1 H n -almost everywhere and, if m > n , preserves the Hausdorff measure of 퐸. In general, we provide sufficient conditions, in terms of the tangent norms of 퐸, for when a typical 1-Lipschitz map preserves the Hausdorff measure of 퐸, up to some constant multiple. Almost optimal results for strongly 푛-rectifiable metric spaces are obtained. On the other hand, for any norm | ⋅ | on R m , we show that, in the space of 1-Lipschitz functions from ([ − 1 , 1 ] n , | ⋅ | ∞) to (R m , | ⋅ |) , the H n -measure of a typical image is not bounded below by any Δ > 0 . [ABSTRACT FROM AUTHOR]
- Subjects :
- *METRIC spaces
*HAUSDORFF measures
*FUNCTION spaces
*TANGENTS (Geometry)
Subjects
Details
- Language :
- English
- ISSN :
- 00754102
- Volume :
- 2024
- Issue :
- 810
- Database :
- Academic Search Index
- Journal :
- Journal für die Reine und Angewandte Mathematik
- Publication Type :
- Academic Journal
- Accession number :
- 176899376
- Full Text :
- https://doi.org/10.1515/crelle-2024-0004