MSC results for "42"

**42**(1940-now) Harmonic analysis on Euclidean spaces

**42-00**(1973-now) General reference works (handbooks, dictionaries, bibliographies, etc.)

**42-01**(1973-now) Instructional exposition (textbooks, tutorial papers, etc.)

**42-02**(1973-now) Research exposition (monographs, survey articles)

**42-03**(1973-now) Historical (must also be assigned at least one classification number from Section 01)

**42-04**(1973-now) Explicit machine computation and programs (not the theory of computation or programming)

**42-06**(1973-now) Proceedings, conferences, collections, etc.

**42A**(1973-now) Harmonic analysis in one variable

**42C**(1980-now) Nontrigonometric harmonic analysis

**42.00**(1959-1972) General

**42.05**(1959-1972) Trigonometric polynomials

**42.06**(1959-1972) Best approximation by trigonometric polynomials

**42.08**(1959-1972) Trigonometric interpolation

**42.10**(1959-1972) Fourier coefficients

**42.11**(1959-1972) Convergence of Fourier series

**42.12**(1959-1972) Absolute convergence of Fourier series

**42.16**(1959-1972) Expansions in orthogonal functions and polynomials

**42.17**(1959-1972) Completeness of sets of orthogonal functions

**42.18**(1959-1972) Completeness, closure, spectral synthesis

**42.1**(1940-1958) Interpolation, approximation, orthogonal functions

**42.20**(1959-1972) Summability of Fourier and generalized Fourier expansions

**42.25**(1959-1972) Fourier transform

**42.26**(1959-1972) Other Fourier-type transforms

**42.27**(1959-1972) Trigonometric moment problems

**42.2**(1940-1958) Trigonometric series and integrals

**42.30**(1959-1972) Almost periodic functions

**42.35**(1959-1972) Positive definite functions

**42.3**(1940-1958) Fourier series and generalizations, theory of approximation

**42.40**(1959-1972) Multiple Fourier series and integrals

**42.4**(1940-1958) Fourier series, integral transforms

**42.51**(1959-1972) Characters, duality

**42.52**(1959-1972) Fourier-Stieltjes transform

**42.53**(1959-1972) Abstract almost periodic functions

**42.54**(1959-1972) Positive definite functions on LCA groups

**42.55**(1959-1972) Convolution, factorization

**42.58**(1959-1972) Ideals, spectral synthesis

**42.99**(1959-1972) None of the above, but in this section