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42A16 - Fourier coefficients, Fourier series of functions with special properties, special Fourier series [MSC 2020] |
46B28 - Spaces of operators; tensor products; approximation properties [MSC 2020] |
46H35 - Topological algebras of operators [MSC 2020] |
49Sxx - Variational principles of physics [MSC 2020] |
53Dxx - Symplectic geometry, contact geometry [MSC 2020] |
53Zxx - Applications of differential geometry to sciences and engineering [MSC 2020] |
57R57 - Applications of global analysis to structures on manifolds [MSC 2020] |
81T16 - Nonperturbative methods of renormalization applied to problems in quantum field theory [MSC 2020] |
82C22 - Interacting particle systems in time-dependent statistical mechanics [MSC 2020] |