14Q99 None of the above, but in this section

14R05 Classification of affine varieties

14R10 Affine spaces (automorphisms, embeddings, exotic structures, cancellation problem)

14R15 Jacobian problem [See also <a href="#code:13F20">13F20</a>]

14R20 Group actions on affine varieties [See also <a href="#code:13A50">13A50</a>, <a href="#code:14L30">14L30</a>]

14R25 Affine fibrations [See also <a href="#code:14D06">14D06</a>]

14R99 None of the above, but in this section

14T99 None of the above, but in this section

15-XX Linear and multilinear algebra; matrix theory

15-00 General reference works (handbooks, dictionaries, bibliographies, etc.)

15-01 Instructional exposition (textbooks, tutorial papers, etc.)

15-02 Research exposition (monographs, survey articles)

15-03 Historical (must also be assigned at least one classification number from Section 01)

15-04 Explicit machine computation and programs (not the theory of computation or programming)

15-06 Proceedings, conferences, collections, etc.

15A03 Vector spaces, linear dependence, rank

15A04 Linear transformations, semilinear transformations

15A09 Matrix inversion, generalized inverses

15A12 Conditioning of matrices [See also <a href="#code:65F35">65F35</a>]

15A15 Determinants, permanents, other special matrix functions [See also <a href="#code:19B10">19B10</a>, <a href="#code:19B14">19B14</a>]

15A16 Matrix exponential and similar functions of matrices

15A18 Eigenvalues, singular values, and eigenvectors

15A21 Canonical forms, reductions, classification

15A22 Matrix pencils [See also <a href="#code:47A56">47A56</a>]

15A30 Algebraic systems of matrices [See also <a href="#code:16S50">16S50</a>, <a href="#code:20Gxx">20Gxx</a>, <a href="#code:20Hxx">20Hxx</a>]

15A42 Inequalities involving eigenvalues and eigenvectors

15A45 Miscellaneous inequalities involving matrices

15A54 Matrices over function rings in one or more variables

15A60 Norms of matrices, numerical range, applications of functional analysis to matrix theory [See also <a href="#code:65F35">65F35</a>, <a href="#code:65J05">65J05</a>]