-
20-00
General reference works (handbooks, dictionaries, bibliographies, etc.)
-
20-01
Instructional exposition (textbooks, tutorial papers, etc.)
-
20-02
Research exposition (monographs, survey articles)
-
20-03
Historical (must also be assigned at least one classification number from Section 01)
-
20-04
Explicit machine computation and programs (not the theory of computation or programming)
-
20-06
Proceedings, conferences, collections, etc.
-
20-99
None of the above, but in this section.
-
(+5)
Foundations
-
(+20)
Permutation groups
-
(+97)
Representation theory of groups
[See also
19A22 (for representation rings and Burnside rings)]
-
(+49)
Abstract finite groups
-
(+69)
Structure and classification of infinite or finite groups
-
(+180)
Special aspects of infinite or finite groups
-
(+77)
Linear algebraic groups and related topics
{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}
-
(+30)
Other groups of matrices
[See also
15A30]
-
(+19)
Connections with homological algebra and category theory
-
(+6)
Abelian groups
-
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}
-
(+25)
Semigroups
-
(+18)
Other generalizations of groups
-
(+2)
Probabilistic methods in group theory
[See also
60Bxx]