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ISSN 2167-5163
MSC results for "20"
20 (1940-now) Group theory and generalizations
20-00 (1973-now) General reference works (handbooks, dictionaries, bibliographies, etc.)
20-01 (1973-now) Instructional exposition (textbooks, tutorial papers, etc.)
20-02 (1973-now) Research exposition (monographs, survey articles)
20-03 (1973-now) Historical (must also be assigned at least one classification number from Section 01)
20-04 (1973-now) Explicit machine computation and programs (not the theory of computation or programming)
20-06 (1973-now) Proceedings, conferences, collections, etc.
20A (1973-now) Foundations
20B (1973-now) Permutation groups
20C (1973-now) Representation theory of groups [See also 19A22 (for representation rings and Burnside rings)]
20D (1973-now) Abstract finite groups
20E (1973-now) Structure and classification of infinite or finite groups
20F (1973-now) Special aspects of infinite or finite groups
20G (1973-now) 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]
20H (1973-now) Other groups of matrices [See also 15A30]
20J (1973-now) Connections with homological algebra and category theory
20K (1973-now) Abelian groups
20L (1973-now) 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]
20M (1973-now) Semigroups
20N (1973-now) Other generalizations of groups
20P (1973-now) Probabilistic methods in group theory [See also 60Bxx]
20.00 (1959-1972) General
20.08 (1959-1972) Varieties of groups
20.0 (1940-1958) Group theory and generalizations
20.10 (1959-1972) Group presentations; free groups, generators, relations
20.15 (1959-1972) Periodic groups
20.18 (1959-1972) Groups with local properties
20.20 (1959-1972) Groups acting on sets, permutation groups
20.22 (1959-1972) Automorphism groups
20.25 (1959-1972) Finite group theory
20.27 (1959-1972) Structure of groups, classification
20.29 (1959-1972) Simple groups
20.30 (1959-1972) Abelian groups
20.40 (1959-1972) Nilpotent, solvable, $p$-groups
20.43 (1959-1972) Sylow subgroups, $\Pi$-subgroups
20.48 (1959-1972) Group extensions
20.50 (1959-1972) Homological methods in group theory
20.51 (1959-1972) Limits of systems of groups
20.52 (1959-1972) General products of groups (including semidirect, wreath, free, amalgamated)
20.54 (1959-1972) Special subgroups
20.56 (1959-1972) Series of subgroups
20.58 (1959-1972) Lattices of subgroups
20.60 (1959-1972) Crystallographic and discrete geometric groups
20.65 (1959-1972) Modular groups, discrete subgroups of classical groups
20.70 (1959-1972) Classical groups [See also 22.55]
20.72 (1959-1972) Collineation groups
20.75 (1959-1972) Linear groups, general [See also 14.50]
20.80 (1959-1972) Representations, characters, group algebras
20.85 (1959-1972) Representations of symmetric groups
20.90 (1959-1972) Semigroup algebras, representations, characters
20.92 (1959-1972) Semigroups, general theory [See also 06.70]
20.93 (1959-1972) Semigroups, structure and classification
20.95 (1959-1972) Other binary systems; groupoids, quasigroups, loops
20.97 (1959-1972) Ternary systems; heaps, semiheaps, heapoids
20.98 (1959-1972) $n$-ary systems [See also 08.00]
20.99 (1959-1972) None of the above, but in this section
American Mathematical Society