On sets where $\operatorname{lip}f$ is infinite for monotone continuous functions

Given an F_{\sigma\delta} subset in the real line of measure zero, we explain how to obtain a nondecreasing absolutely continuous function such that the derivative is infinite at every point in the set and the little Lipschitz constant (the lower scaled oscillation) is finite at each point outside the set.

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Institutions

Publication Details

Journal
Documenta Mathematica
Published
2025-08-26
DOI
https://doi.org/10.4171/dm/1017
Citations
1
Primary Topic
Advanced Banach Space Theory
Type
article
Field-Weighted Citation Impact
3.69

Funders

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article

On sets where $\operatorname{lip}f$ is infinite for monotone continuous functions

Thomas Zürcher, Martin Rmoutil
1 citations
Documenta Mathematica
Advanced Banach Space Theory
3.69
article

On sets where $\operatorname{lip}f$ is infinite for monotone continuous functions

Thomas Zürcher, Martin Rmoutil
article en
1 citations

Abstract

Given an F_{\sigma\delta} subset in the real line of measure zero, we explain how to obtain a nondecreasing absolutely continuous function such that the derivative is infinite at every point in the set and the little Lipschitz constant (the lower scaled oscillation) is finite at each point outside the set.

Documenta Mathematica
Charles University (CZ)
University of Warwick, European Commission, Uniwersytet Śląski w Katowicach
Openalex Percentile: Top 8%
Advanced Banach Space Theory
3.69
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