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| Main Authors: | , , , |
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| Format: | Preprint |
| Published: |
2025
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| Subjects: | |
| Online Access: | https://arxiv.org/abs/2507.14411 |
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| _version_ | 1866908456723677184 |
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| author | Avetisyan, Zhirayr Keyshams, Zahra Nia, Monire Mikaeili Ruzhansky, Michael |
| author_facet | Avetisyan, Zhirayr Keyshams, Zahra Nia, Monire Mikaeili Ruzhansky, Michael |
| contents | We investigate the heat equation with a time-dependent, anisotropic, and potentially singular diffusivity tensor. Since weak (in the Sobolev sense) or distributional solutions may not exist in this setting, we employ the framework of very weak solutions to establish the existence and uniqueness of solutions to the heat equation with singular, anisotropic, time-dependent diffusivity. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2507_14411 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Very weak solutions of the heat equation with anisotropically singular time-dependent diffusivity Avetisyan, Zhirayr Keyshams, Zahra Nia, Monire Mikaeili Ruzhansky, Michael Analysis of PDEs We investigate the heat equation with a time-dependent, anisotropic, and potentially singular diffusivity tensor. Since weak (in the Sobolev sense) or distributional solutions may not exist in this setting, we employ the framework of very weak solutions to establish the existence and uniqueness of solutions to the heat equation with singular, anisotropic, time-dependent diffusivity. |
| title | Very weak solutions of the heat equation with anisotropically singular time-dependent diffusivity |
| topic | Analysis of PDEs |
| url | https://arxiv.org/abs/2507.14411 |