This is a list of Fourier analysis topics.

Fourier analysis

Multiplier (Fourier analysis) Fourier shell correlation Pinsky phenomenon

Fourier series

Generalized Fourier series Regressive discrete Fourier series Gibbs phenomenon Sigma approximation Dini test Poisson summation formula Spectrum continuation analysis Convergence of Fourier series Half-range Fourier series

Fourier transforms

List of Fourier-related transforms Fourier transform on finite groups Fractional Fourier transform Continuous Fourier transform Fourier operator Fourier inversion theorem Sine and cosine transforms Parseval's theorem Paley–Wiener theorem Projection-slice theorem Frequency spectrum

Discrete Fourier transforms

Discrete Fourier series Non-uniform discrete Fourier transform DFT matrix Entropy influence conjecture Fast cosine transform Fast Fourier transform Cyclotomic fast Fourier transform Sparse Fourier transform

Applications of Fourier analysis

Fourier amplitude sensitivity testing Fourier optics Quantum mechanics, for Wavefunctions Uncertainty principle Quantum Fourier transform

Algebra and analysis

Periodic function Almost periodic function ATS theorem Modulus of continuity Banach algebra Compact group Haar measure Hardy space Sobolev space Topological group

Harmonic analysis

Set of uniqueness Pontryagin duality Plancherel theorem Peter–Weyl theorem Fourier integral operator Oscillatory integral operator

Harmonic functions

Laplace operator Laplace equation Dirichlet problem Unit circle Unit disc Spherical harmonic

Special functions and generalized functions

Bessel function Dirac delta function Distribution Oscillatory integral

Integral transform concepts

Transforms

Laplace transform Discrete Hartley transform List of transforms

Integral kernels

Dirichlet kernel Fejér kernel

Convolution

Convolution theorem

Analysis of unevenly spaced data

Least-squares spectral analysis

See also

List of cycles list of Fourier-related transforms list of harmonic analysis topics LTI system theory Autocorrelation Autocovariance Whittaker–Shannon interpolation formula Gabor atom Marcinkiewicz theorem Nyquist–Shannon sampling theorem Riesz–Thorin theorem