57-XX Manifolds and cell complexes, {For complex manifolds, See 32C10} ( 0 Dok.)

• 57-00 General reference works (handbooks, dictionaries, bibliographies, etc.) ( 0 Dok.)
• 57-01 Instructional exposition (textbooks, tutorial papers, etc.) ( 0 Dok.)
• 57-02 Research exposition (monographs, survey articles) ( 0 Dok.)
• 57-03 Historical (must be assigned at least one classification number from Section 01) ( 0 Dok.)
• 57-04 Explicit machine computation and programs (not the theory of computation or programming) ( 0 Dok.)
• 57-06 Proceedings, conferences, collections, etc. ( 0 Dok.)
• 57Mxx Low-dimensional topology ( 0 Dok. )
• 57Nxx Topological manifolds ( 0 Dok. )
• 57Pxx Generalized manifolds, See also {18F15} ( 0 Dok. )
• 57Qxx PL-topology ( 0 Dok. )
• 57Rxx Differential topology, {For foundational questions of differentiable manifolds, See 58Axx; for infinite-dimensional manifolds, See 58Bxx} ( 0 Dok. )
• 57Sxx Topological transformation groups, See also {20F34, 22-XX, 54H15, 58D05} ( 0 Dok. )
• 57Txx Homology and homotopy of topological groups and related structures ( 0 Dok. )