46T25 Holomorphic maps [See also <a href="#code:46G20">46G20</a>]

46T30 Distributions and generalized functions on nonlinear spaces [See also <a href="#code:46Fxx">46Fxx</a>]

46T99 None of the above, but in this section

47-00 General reference works (handbooks, dictionaries, bibliographies, etc.)

47-01 Instructional exposition (textbooks, tutorial papers, etc.)

47-02 Research exposition (monographs, survey articles)

47-03 Historical (must also be assigned at least one classification number from Section 01)

47-04 Explicit machine computation and programs (not the theory of computation or programming)

47-06 Proceedings, conferences, collections, etc.

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)

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

47A15 Invariant subspaces [See also 47A46]

47A16 Cyclic vectors, hypercyclic and chaotic operators

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

47A35 Ergodic theory [See also <a href="#code:28Dxx">28Dxx</a>, <a href="#code:37Axx">37Axx</a>]

47A45 Canonical models for contractions and nonselfadjoint 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

47A53 (Semi-) Fredholm operators; index theories [See also <a href="#code:58B15">58B15</a>, <a href="#code:58J20">58J20</a>]

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

47A57 Operator methods in interpolation, moment and extension problems [See also <a href="#code:30E05">30E05</a>, <a href="#code:42A70">42A70</a>, <a href="#code:42A82">42A82</a>, <a href="#code:44A60">44A60</a>]

47A62 Equations involving linear operators, with operator unknowns