16-XX Associative rings and algebras,

• 16-00 General reference works (handbooks, dictionaries, bibliographies, etc.)
• 16-01 Instructional exposition (textbooks, tutorial papers, etc.)
• 16-02 Research exposition (monographs, survey articles)
• 16-03 Historical (must be assigned at least one classification number from 01-XX)
• 16-04 Explicit machine computation and programs (not the theory of computation or programming)
• 16-06 Proceedings, conferences, collections, etc.
• 16Bxx General and miscellaneous
• 16Dxx Modules, bimodules and ideals
• 16Exx Homological methods and results, see also {18Gxx}
• 16Gxx Representation theory of rings and algebras
• 16H05 Orders and arithmetic, separable algebras, Azumaya algebras, See also {11R52, 11R54, 11S45, 13A20}
• 16Kxx Division rings and semisimple Artin rings, see also {12E15, 15A30}
• 16Lxx Local rings and generalizations
• 16Nxx Radicals and radical properties of rings
• 16Pxx Chain conditions, growth conditions, and other forms of finiteness
• 16Rxx Rings with polynomial identity
• 16Sxx Rings and algebras arising under various constructions
• 16Uxx Conditions on elements (including elements of matrix rings, etc.)
• 16Wxx Rings and algebras with additional structure
• 16Yxx Generalizations, {For nonassociative rings, see 17-XX}