Well-posedness of nonlinear parabolic equations with unbounded drift via nonlinear evolution theory
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arXiv
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| Auteurs principaux: | , , , |
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| Format: | Preprint |
| Publié: |
2026
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| _version_ | 1866915927223697408 |
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| author | Dang, Thi Tam Hoang, Trung Hau Orlandi, Giandomenico Valkonen, Tuomo |
| author_facet | Dang, Thi Tam Hoang, Trung Hau Orlandi, Giandomenico Valkonen, Tuomo |
| contents | We develop a nonlinear evolution framework for nonlinear parabolic equations with unbounded drift terms formulated in Lorentz spaces. The main contribution lies in the construction of uniformly m-accretive operators based on Lorentz-Sobolev embeddings, which allows us to apply the Crandall-Liggett generation theorem for nonlinear evolution equations. Within this framework, we establish existence, uniqueness, and stability of mild solutions. We further show that these mild solutions coincide with weak solutions, ensuring consistency with the variational formulation. Finally, we investigate the long-time asymptotic behavior of solutions. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2604_08165 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Well-posedness of nonlinear parabolic equations with unbounded drift via nonlinear evolution theory Dang, Thi Tam Hoang, Trung Hau Orlandi, Giandomenico Valkonen, Tuomo Analysis of PDEs 35K59, 35K55, 47J35, 35B40 G.1.8 We develop a nonlinear evolution framework for nonlinear parabolic equations with unbounded drift terms formulated in Lorentz spaces. The main contribution lies in the construction of uniformly m-accretive operators based on Lorentz-Sobolev embeddings, which allows us to apply the Crandall-Liggett generation theorem for nonlinear evolution equations. Within this framework, we establish existence, uniqueness, and stability of mild solutions. We further show that these mild solutions coincide with weak solutions, ensuring consistency with the variational formulation. Finally, we investigate the long-time asymptotic behavior of solutions. |
| title | Well-posedness of nonlinear parabolic equations with unbounded drift via nonlinear evolution theory |
| topic | Analysis of PDEs 35K59, 35K55, 47J35, 35B40 G.1.8 |
| url | https://arxiv.org/abs/2604.08165 |