The Navier-Stokes limit of kinetic equations for low regularity data
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arXiv
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| Main Authors: | , , |
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866918510529085440 |
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| author | Carrapatoso, Kleber Gallagher, Isabelle Tristani, Isabelle |
| author_facet | Carrapatoso, Kleber Gallagher, Isabelle Tristani, Isabelle |
| contents | In this paper, we investigate the link between kinetic equations (including Boltzmann with or without cutoff assumption and Landau equations) and the incompressible Navier-Stokes equation. We work with strong solutions and we treat all the cases in a unified framework. The main purpose of this work is to be as accurate as possible in terms of functional spaces. More precisely, it is well-known that the Navier-Stokes equation can be solved in a lower regularity setting (in the space variable) than kinetic equations. Our main result allows to get a rigorous link between solutions to the Navier-Stokes equation with such low regularity data and kinetic equations. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2503_12046 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | The Navier-Stokes limit of kinetic equations for low regularity data Carrapatoso, Kleber Gallagher, Isabelle Tristani, Isabelle Analysis of PDEs In this paper, we investigate the link between kinetic equations (including Boltzmann with or without cutoff assumption and Landau equations) and the incompressible Navier-Stokes equation. We work with strong solutions and we treat all the cases in a unified framework. The main purpose of this work is to be as accurate as possible in terms of functional spaces. More precisely, it is well-known that the Navier-Stokes equation can be solved in a lower regularity setting (in the space variable) than kinetic equations. Our main result allows to get a rigorous link between solutions to the Navier-Stokes equation with such low regularity data and kinetic equations. |
| title | The Navier-Stokes limit of kinetic equations for low regularity data |
| topic | Analysis of PDEs |
| url | https://arxiv.org/abs/2503.12046 |