Exception Sets of Intrinsic and Piecewise Lipschitz Functions
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in: The journal of geometric analysis, Jahrgang 32.2022, Nr. 4, 118, 04.2022.
Publikationen: Beitrag in Fachzeitschrift › Artikel › Forschung › (peer-reviewed)
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TY - JOUR
T1 - Exception Sets of Intrinsic and Piecewise Lipschitz Functions
AU - Leobacher, Gunther
AU - Steinicke, Alexander
N1 - Publisher Copyright: © 2022, The Author(s).
PY - 2022/4
Y1 - 2022/4
N2 - We consider a class of functions defined on metric spaces which generalizes the concept of piecewise Lipschitz continuous functions on an interval or on polyhedral structures. The study of such functions requires the investigation of their exception sets where the Lipschitz property fails. The newly introduced notion of permeability describes sets which are natural exceptions for Lipschitz continuity in a well-defined sense. One of the main results states that continuous functions which are intrinsically Lipschitz continuous outside a permeable set are Lipschitz continuous on the whole domain with respect to the intrinsic metric. We provide examples of permeable sets in R d, which include Lipschitz submanifolds.
AB - We consider a class of functions defined on metric spaces which generalizes the concept of piecewise Lipschitz continuous functions on an interval or on polyhedral structures. The study of such functions requires the investigation of their exception sets where the Lipschitz property fails. The newly introduced notion of permeability describes sets which are natural exceptions for Lipschitz continuity in a well-defined sense. One of the main results states that continuous functions which are intrinsically Lipschitz continuous outside a permeable set are Lipschitz continuous on the whole domain with respect to the intrinsic metric. We provide examples of permeable sets in R d, which include Lipschitz submanifolds.
KW - Intrinsic metric
KW - Permeable sets
KW - Piecewise Lipschitz continuity
UR - http://www.scopus.com/inward/record.url?scp=85124067772&partnerID=8YFLogxK
U2 - 10.1007/s12220-021-00860-5
DO - 10.1007/s12220-021-00860-5
M3 - Article
VL - 32.2022
JO - The journal of geometric analysis
JF - The journal of geometric analysis
SN - 1050-6926
IS - 4
M1 - 118
ER -