Search and Browse the MSC 2000

47-XX Operator theory → ZMATH

47Axx General theory of linear operators → ZMATH

47A05 General (adjoints, conjugates, products, inverses, domains, ranges, etc.) → ZMATH

47A06 Linear relations (multivalued linear operators) → ZMATH

47A07 Forms (bilinear, sesquilinear, multilinear) → ZMATH

47A10 Spectrum, resolvent → ZMATH

47A11 Local spectral properties → ZMATH

47A12 Numerical range, numerical radius → ZMATH

47A13 Several-variable operator theory (spectral, Fredholm, etc.) → ZMATH

47A15 Invariant subspaces → ZMATH

47A16 Cyclic and hypercyclic vectors → ZMATH

47A20 Dilations, extensions, compressions → ZMATH

47A25 Spectral sets → ZMATH

47A30 Norms (inequalities, more than one norm, etc.) → ZMATH

47A35 Ergodic theory [See also 28Dxx, 37Axx] → ZMATH

47A40 Scattering theory [See also 34L25, 35P25, 81Uxx] → ZMATH

47A45 Canonical models for contractions and nonselfadjoint operators → ZMATH

47A46 Chains (nests) of projections or of invariant subspaces, integrals along chains, etc. → ZMATH

47A48 Operator colligations (= nodes), vessels, linear systems, characteristic functions, realizations, etc. → ZMATH

47A50 Equations and inequalities involving linear operators, with vector unknowns → ZMATH

47A52 Ill-posed problems, regularization → ZMATH

47A53 (Semi-) Fredholm operators; index theories [See also 58B15, 58J20] → ZMATH

47A55 Perturbation theory → ZMATH

47A56 Functions whose values are linear operators (operator and matrix valued functions, etc., including analytic and meromorphic ones) → ZMATH

47A57 Operator methods in interpolation, moment and extension problems [See also 30E05, 42A70, 42A82, 44A60] → ZMATH

47A58 Operator approximation theory → ZMATH

47A60 Functional calculus → ZMATH

47A62 Equations involving linear operators, with operator unknowns → ZMATH

47A63 Operator inequalities → ZMATH

47A64 Operator means, shorted operators, etc. → ZMATH

47A65 Structure theory → ZMATH

47A66 Quasitriangular and nonquasitriangular, quasidiagonal and nonquasidiagonal operators → ZMATH

47A67 Representation theory → ZMATH

47A68 Factorization theory (including Wiener-Hopf and spectral factorizations) → ZMATH

47A70 (Generalized) eigenfunction expansions; rigged Hilbert spaces → ZMATH

47A75 Eigenvalue problems [See also 49R50] → ZMATH

47A80 Tensor products of operators [See also 46M05] → ZMATH

47A99 None of the above, but in this section → ZMATH