Gradient estimates for $p\left(\cdot\right)$-harmonic differential forms
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arXiv
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| Auteurs principaux: | , , |
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| Format: | Preprint |
| Publié: |
2026
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| _version_ | 1866911704339709952 |
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| author | Balci, Anna Sil, Swarnendu Surnachev, Mikhail |
| author_facet | Balci, Anna Sil, Swarnendu Surnachev, Mikhail |
| contents | In this paper, we establish gradient bounds for $p(\cdot)$-harmonic differential forms subject to a Coulomb-type gauge condition. For variable exponents satisfying the log-Hölder continuity assumption, we derive higher integrability estimates of Meyers type, ensuring improved regularity beyond the natural energy space. Furthermore, under the stronger assumption of Hölder continuity of the exponent function, we prove that the gradient of solutions exhibits Hölder continuity. These results extend classical regularity theory for constant-exponent $p$-harmonic systems to the variable-exponent setting, which is essential for modeling nonhomogeneous and anisotropic media. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2605_22178 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Gradient estimates for $p\left(\cdot\right)$-harmonic differential forms Balci, Anna Sil, Swarnendu Surnachev, Mikhail Analysis of PDEs In this paper, we establish gradient bounds for $p(\cdot)$-harmonic differential forms subject to a Coulomb-type gauge condition. For variable exponents satisfying the log-Hölder continuity assumption, we derive higher integrability estimates of Meyers type, ensuring improved regularity beyond the natural energy space. Furthermore, under the stronger assumption of Hölder continuity of the exponent function, we prove that the gradient of solutions exhibits Hölder continuity. These results extend classical regularity theory for constant-exponent $p$-harmonic systems to the variable-exponent setting, which is essential for modeling nonhomogeneous and anisotropic media. |
| title | Gradient estimates for $p\left(\cdot\right)$-harmonic differential forms |
| topic | Analysis of PDEs |
| url | https://arxiv.org/abs/2605.22178 |