Browse Classification

Select a 2 digit classification

Search Classifications

Enter a keyword, phrase or a 2-, 3-, or 5-digit classification
< | 47-XX | 47Bxx >
47-XX Operator theory
47Axx General theory of linear operators
47A05   General (adjoints, conjugates, products, inverses, domains, ranges, etc.)
47A06   Linear relations (multivalued linear operators)
47A07   Forms (bilinear, sesquilinear, multilinear)
47A08   Operator matrices [See also 47A13]
47A10   Spectrum, resolvent
47A11   Local spectral properties of linear operators
47A12   Numerical range, numerical radius
47A13   Several-variable operator theory (spectral, Fredholm, etc.)
47A15   Invariant subspaces of linear operators [See also 47A46]
47A16   Cyclic vectors, hypercyclic and chaotic operators
47A20   Dilations, extensions, compressions of linear operators
47A25   Spectral sets of linear operators
47A30   Norms (inequalities, more than one norm, etc.) of linear operators
47A35   Ergodic theory of linear operators [See also 28Dxx, 37Axx]
47A40   Scattering theory of linear operators [See also 34L25, 35P25, 37K15, 58J50, 81Uxx]
47A45   Canonical models for contractions and nonselfadjoint linear operators
47A46   Chains (nests) of projections or of invariant subspaces, integrals along chains, etc.
47A48   Operator colligations (= nodes), vessels, linear systems, characteristic functions, realizations, etc.
47A50   Equations and inequalities involving linear operators, with vector unknowns
47A52   Linear operators and ill-posed problems, regularization [See also 35R25, 47J06, 65F22, 65J20, 65L08, 65M30, 65R30]
47A53   (Semi-) Fredholm operators; index theories [See also 58B15, 58J20]
47A55   Perturbation theory of linear operators [See also 47H14, 58J37, 70H09, 81Q15]
47A56   Functions whose values are linear operators (operator- and matrix-valued functions, etc., including analytic and meromorphic ones)
47A57   Linear operator methods in interpolation, moment and extension problems [See also 30E05, 42A70, 42A82, 44A60]
47A58   Linear operator approximation theory
47A60   Functional calculus for linear operators
47A62   Equations involving linear operators, with operator unknowns
47A63   Linear operator inequalities
47A64   Operator means involving linear operators, shorted linear operators, etc.
47A65   Structure theory of linear operators
47A66   Quasitriangular and nonquasitriangular, quasidiagonal and nonquasidiagonal linear operators
47A67   Representation theory of linear operators
47A68   Factorization theory (including Wiener-Hopf and spectral factorizations) of linear operators
47A70   (Generalized) eigenfunction expansions of linear operators; rigged Hilbert spaces
47A75   Eigenvalue problems for linear operators [See also 47J10, 49R05]
47A80   Tensor products of linear operators [See also 46M05]
47A99   None of the above, but in this section
< | 47-XX | 47Bxx >
 
 
American Mathematical Society