On Properties of Statistically Stationary Solutions to the One-Dimensional Schrödinger Map Equation
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arXiv
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866916882679857152 |
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| author | Gussetti, Emanuela Sy, Mouhamadou |
| author_facet | Gussetti, Emanuela Sy, Mouhamadou |
| contents | We investigate further qualitative properties of statistically stationary solutions to the Schrödinger map equation (SME) and the Binormal Curvature Flow (BCF), continuing the work initiated by E. G., M. Hofmanová. Concerning the statistically stationary solutions to the SME, we show that the laws of some relevant observables (such as the space average and the energy) are absolutely continuous with respect to the Lebesgue measure, with a Gaussian decay property for the energy. We further prove that the law $μ$ of the statistically stationary solution has dimension of at least two: this means that any compact set of Hausdorff dimension smaller than two has $μ$-measure zero. These properties, with appropriate modifications of the norms, pass directly to the statistically stationary solutions to the BCF. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2508_03551 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | On Properties of Statistically Stationary Solutions to the One-Dimensional Schrödinger Map Equation Gussetti, Emanuela Sy, Mouhamadou Analysis of PDEs We investigate further qualitative properties of statistically stationary solutions to the Schrödinger map equation (SME) and the Binormal Curvature Flow (BCF), continuing the work initiated by E. G., M. Hofmanová. Concerning the statistically stationary solutions to the SME, we show that the laws of some relevant observables (such as the space average and the energy) are absolutely continuous with respect to the Lebesgue measure, with a Gaussian decay property for the energy. We further prove that the law $μ$ of the statistically stationary solution has dimension of at least two: this means that any compact set of Hausdorff dimension smaller than two has $μ$-measure zero. These properties, with appropriate modifications of the norms, pass directly to the statistically stationary solutions to the BCF. |
| title | On Properties of Statistically Stationary Solutions to the One-Dimensional Schrödinger Map Equation |
| topic | Analysis of PDEs |
| url | https://arxiv.org/abs/2508.03551 |