The multifractal nature of a parametrized family of von Koch functions
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arXiv
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| Format: | Preprint |
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2025
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| _version_ | 1866910873784680448 |
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| author | Buczolich, Zoltán Demichel, Yann Seuret, Stéphane |
| author_facet | Buczolich, Zoltán Demichel, Yann Seuret, Stéphane |
| contents | In a famous paper published in 1904, Helge von Koch introduced the curve that still serves nowadays as an iconic representation of fractal shapes. In fact, von Koch's main goal was the construction of a continuous but nowhere differentiable function, very similar to the snowflake, using elementary geometric procedures, and not analytical formulae. We prove that a parametrized family of functions (including and) generalizing von Koch's example enjoys a rich multifractal behavior, thus enriching the class of historical mathematical objects having surprising regularity properties. The analysis relies on the study of the orbits of an underlying dynamical system and on the introduction of self-similar measures and non-trivial iterated functions systems adapted to the problem. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2503_10190 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | The multifractal nature of a parametrized family of von Koch functions Buczolich, Zoltán Demichel, Yann Seuret, Stéphane Classical Analysis and ODEs Dynamical Systems Functional Analysis In a famous paper published in 1904, Helge von Koch introduced the curve that still serves nowadays as an iconic representation of fractal shapes. In fact, von Koch's main goal was the construction of a continuous but nowhere differentiable function, very similar to the snowflake, using elementary geometric procedures, and not analytical formulae. We prove that a parametrized family of functions (including and) generalizing von Koch's example enjoys a rich multifractal behavior, thus enriching the class of historical mathematical objects having surprising regularity properties. The analysis relies on the study of the orbits of an underlying dynamical system and on the introduction of self-similar measures and non-trivial iterated functions systems adapted to the problem. |
| title | The multifractal nature of a parametrized family of von Koch functions |
| topic | Classical Analysis and ODEs Dynamical Systems Functional Analysis |
| url | https://arxiv.org/abs/2503.10190 |