# Search and Browse the MSC 2000

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Please note that in the second half of 2009, MSC2010 is deployed in the production of ZMATH and will become official standard in January 2010.

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20-00
General reference works (handbooks, dictionaries, bibliographies, etc.) → ZMATH

20-01
Instructional exposition (textbooks, tutorial papers, etc.) → ZMATH

20-02
Research exposition (monographs, survey articles) → ZMATH

20-03
Historical (must also be assigned at least one classification number from Section 01) → ZMATH

20-04
Explicit machine computation and programs (not the theory of computation or programming) → ZMATH

20-06
Proceedings, conferences, collections, etc. → ZMATH

20Cxx
Representation theory of groups [See also 19A22 (for representation rings and Burnside rings)] → ZMATH

20Gxx
Linear algebraic groups (classical groups) {For arithmetic theory, see 11E57, 11H56; for geometric theory, see 14Lxx, 22Exx; for other methods in representation theory, see 15A30, 22E45, 22E46, 22E47, 22E50, 22E55} → ZMATH

20L05
Groupoids (i.e. small categories in which all morphisms are isomorphisms) {For sets with a single binary operation, see 20N02; for topological groupoids, see 22A22, 58H05} → ZMATH