43-XX	Abstract harmonic analysis {For other analysis on topological and Lie groups, see 22Exx}
43-00	General reference works (handbooks, dictionaries, bibliographies, etc.)
43-01	Instructional exposition (textbooks, tutorial papers, etc.)
43-02	Research exposition (monographs, survey articles)
43-03	Historical {!must also be assigned at least one classification number from section 01}
43-04	Explicit machine computation and programs (not the theory of computation or programming)
43-06	Proceedings, conferences, collections, etc.
43A05	Measures on groups and semigroups, etc.
43A07	Means on groups, semigroups, etc.; amenable groups
43A10	Measure algebras on groups, semigroups, etc.
43A15	Lp-spaces and other function spaces on groups, semigroups, etc.
43A17	Analysis on ordered groups, Hp-theory
43A20	L1-algebras on groups, semigroups, etc.
43A22	Homomorphisms and multipliers of function spaces on groups, semigroups, etc.
43A25	Fourier and Fourier - Stieltjes transforms on locally compact Abelian groups
43A30	Fourier and Fourier - Stieltjes transforms on nonabelian groups and on semigroups, etc.
43A32	Other transforms and operators of Fourier type
43A35	Positive definite functions on groups, semigroups, etc.
43A40	Character groups and dual objects
43A45	Spectral synthesis on groups, semigroups, etc.
43A46	Special sets (thin sets, Kronecker sets, Helson sets, Ditkin sets, Sidon sets, etc.)
43A50	Convergence of Fourier series and of inverse transforms
43A55	Summability methods on groups, semigroups, etc. [See also 40J05]
43A60	Almost periodic functions on groups and semigroups and their generalizations (recurrent functions, distal functions, etc.); almost automorphic functions
43A62	Hypergroups
43A65	Representations of groups, semigroups, etc. [See also 22A10, 22A20, 22Dxx, 22E45]
43A70	Analysis on specific locally compact Abelian groups [See also 11R56, 22B05]
43A75	Analysis on specific compact groups
43A77	Analysis on general compact groups
43A80	Analysis on other specific Lie groups [See also 22Exx]
43A85	Analysis on homogeneous spaces
43A90	Spherical functions [See also 22E45, 22E46, 33C65]
43A95	Categorical methods [See also 46Mxx]
43A99	Miscellaneous topics