53-XX Differential geometry,

• 53-00 General reference works (handbooks, dictionaries, bibliographies, etc.)
• 53-01 Instructional exposition (textbooks, tutorial papers, etc.)
• 53-02 Research exposition (monographs, survey articles)
• 53-03 Historical (must be assigned at least one classification number from 01-XX)
• 53-04 Explicit machine computation and programs (not the theory of computation or programming)
• 53-06 Proceedings, conferences, collections, etc.
• 53Axx Classical differential geometry
• 53Bxx Local differential geometry
• 53Cxx Global differential geometry, see also {51H25, 58-XX; for related bundle theory, See 55Rxx, 57Rxx}