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35-XX - Partial differential equations [MSC 2020] |
76Bxx - Incompressible inviscid fluids [MSC 2020] |
30C62 - Quasiconformal mappings in the complex plane [MSC 2020] |
35Jxx - Elliptic equations and elliptic systems [MSC 2020] |
30C20 - Conformal mappings of special domains [MSC 2020] |
49Sxx - Variational principles of physics [MSC 2020] |
35J66 - Nonlinear boundary value problems for nonlinear elliptic equations [MSC 2020] |
35J20 - Variational methods for second-order elliptic equations [MSC 2020] |