|
47-XX - Operator theory [MSC 2020] |
47A53 - (Semi-) Fredholm operators; index theories [MSC 2020] |
47A60 - Functional calculus for linear operators [MSC 2020] |
47A10 - Spectrum, resolvent [MSC 2020] |
47B48 - Linear operators on Banach algebras [MSC 2020] |
47B15 - Hermitian and normal operators (spectral measures, functional calculus, etc.) [MSC 2020] |
47B20 - Subnormal operators, hyponormal operators, etc. [MSC 2020] |
47A25 - Spectral sets of linear operators [MSC 2020] |
47A12 - Numerical range, numerical radius [MSC 2020] |
47A16 - Cyclic vectors, hypercyclic and chaotic operators [MSC 2020] |
47C05 - Linear operators in algebras [MSC 2020] |