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82C31 - Stochastic methods (Fokker-Planck, Langevin, etc.) applied to problems in time-dependent statistical mechanics [MSC 2020] |
81Q10 - Selfadjoint operator theory in quantum theory, including spectral analysis [MSC 2020] |
35H10 - Hypoelliptic equations [MSC 2020] |
35H20 - Subelliptic equations [MSC 2020] |
35P05 - General topics in linear spectral theory for PDEs [MSC 2020] |
35P15 - Estimation of eigenvalues in context of PDEs [MSC 2020] |
58J50 - Spectral problems; spectral geometry; scattering theory on manifolds [MSC 2020] |
81Q20 - Semiclassical techniques including WKB and Maslov methods applied to problems in quantum theory [MSC 2020] |
82C05 - Classical dynamic and nonequilibrium statistical mechanics (general) [MSC 2020] |
58J10 - Differential complexes ; elliptic complexes [MSC 2020] |
82C40 - Kinetic theory of gases in time-dependent statistical mechanics [MSC 2020] |
58K65 - Topological invariants on manifolds [MSC 2020] |