49-XX
47 | 
Top | 
51 49-XX | 47 | Top | 51 |
| 49-00 | General reference works (handbooks, dictionaries, bibliographies, etc.) |
| 49-01 | Instructional exposition (textbooks, tutorial papers, etc.) |
| 49-02 | Research exposition (monographs, survey articles) |
| 49-03 | Historical (must also be assigned at least one classification number from Section 01) |
| 49-04 | Explicit machine computation and programs (not the theory of computation or programming) |
| 49-06 | Proceedings, conferences, collections, etc. |
| 49Jxx | Existence theories |
| 49Kxx | Necessary conditions and sufficient conditions for optimality |
| 49Lxx | Hamilton-Jacobi theories, including dynamic programming |
| 49Mxx | Methods of successive approximations [See also 90Cxx, 65Kxx] |
| 49Nxx | Miscellaneous topics |
| 49Qxx | Manifolds [See also 58Exx] |
| 49R50 | Variational methods for eigenvalues of operators [See also 47A75] |
| 49S05 | Variational principles of physics |