|
34-XX - Ordinary differential equations [MSC 2020] |
34Lxx - Ordinary differential operators [MSC 2020] |
35-XX - Partial differential equations [MSC 2020] |
35J05 - Laplace operator, Helmholtz equation (reduced wave equation), Poisson equation [MSC 2020] |
35K05 - Heat equation [MSC 2020] |
35L05 - Wave equation [MSC 2020] |
46-XX - Functional analysis [MSC 2020] |
46B03 - Isomorphic theory (including renorming) of Banach spaces [MSC 2020] |
46C05 - Hilbert and pre-Hilbert spaces: geometry and topology (including spaces with semidefinite inner product) [MSC 2020] |
46F10 - Operations with distributions and generalized functions [MSC 2020] |
47-XX - Operator theory [MSC 2020] |
47A10 - Spectrum, resolvent [MSC 2020] |
47B15 - Hermitian and normal operators (spectral measures, functional calculus, etc.) [MSC 2020] |
47B25 - Linear symmetric and selfadjoint operators (unbounded) [MSC 2020] |