Generalized Cauchy-Riemann equations and relevant PDE
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arXiv
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| Hauptverfasser: | , , , |
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| Format: | Preprint |
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2024
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| _version_ | 1866909541240668160 |
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| author | Gutlyanskii, V. Ryazanov, V. Salimov, A. Salimov, R. |
| author_facet | Gutlyanskii, V. Ryazanov, V. Salimov, A. Salimov, R. |
| contents | Here we give a survey of consequences from the theory of the Beltrami equations in the complex plane $\mathbb C$ to generalized Cauchy-Riemann equations $\nabla v = B \nabla u$ in the real plane $\mathbb R^2$ and clarify the relationships of the latter to the $A-$harmonic equation ${\rm div} A\,{\rm grad}\, u = 0$ with matrix valued coefficients $A$ that is one of the main equations of the potential theory, namely, of the hydro\-mechanics (fluid mechanics) in anisotropic and inhomogeneous media. The survey includes various types of results as theorems on existence, representation and regularity of their solutions, in particular, for the main boundary value problems of Hilbert, Dirichlet, Neumann, Poincare and Riemann. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2411_08941 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Generalized Cauchy-Riemann equations and relevant PDE Gutlyanskii, V. Ryazanov, V. Salimov, A. Salimov, R. Analysis of PDEs Complex Variables Primary 30C62, 30C65, 30E25 Secondary 35J25, 76-02 Here we give a survey of consequences from the theory of the Beltrami equations in the complex plane $\mathbb C$ to generalized Cauchy-Riemann equations $\nabla v = B \nabla u$ in the real plane $\mathbb R^2$ and clarify the relationships of the latter to the $A-$harmonic equation ${\rm div} A\,{\rm grad}\, u = 0$ with matrix valued coefficients $A$ that is one of the main equations of the potential theory, namely, of the hydro\-mechanics (fluid mechanics) in anisotropic and inhomogeneous media. The survey includes various types of results as theorems on existence, representation and regularity of their solutions, in particular, for the main boundary value problems of Hilbert, Dirichlet, Neumann, Poincare and Riemann. |
| title | Generalized Cauchy-Riemann equations and relevant PDE |
| topic | Analysis of PDEs Complex Variables Primary 30C62, 30C65, 30E25 Secondary 35J25, 76-02 |
| url | https://arxiv.org/abs/2411.08941 |