Linked from

The 15 pages that link to Harmonic analysis, each with the reason it gives.

• Fourier transformNarrower topic: The Fourier transform is one of harmonic analysis’s central tools.

• Pierre-Simon LaplaceRelated: Laplace’s work on potential theory connected physical problems to harmonic functions.

• Periodic functionNarrower topic: It provides the broader framework for decomposing periodic functions into modes.

• Norbert WienerRelated: Wiener’s work connected harmonic analysis with prediction, filtering, and signal transmission.

• Joseph FourierNarrower topic: Fourier’s decompositions of temperature helped launch this wider field.

• Fourier coefficientNarrower topic: Fourier coefficients are basic coordinates in this broader study of frequency structure.

• Trigonometric identityNarrower topic: Trigonometric identities support transformations among oscillatory representations.

• Terence TaoNarrower topic: It is a foundation for Tao’s work on dispersive equations and restriction theory.

• Fourier inversion theoremNarrower topic: Fourier inversion is a foundational theorem in this broader mathematical subject.

• Spectral analysisNarrower topic: It provides the broader mathematical framework behind frequency-based signal descriptions.

• Pontryagin dualityNarrower topic: Pontryagin duality generalizes Fourier analysis to locally compact abelian groups.

• Wiener–Khinchin theoremNarrower topic: The theorem applies Fourier analysis to statistical dependence rather than a single deterministic signal.

• Robert LanglandsRelated: Langlands drew on its representation-theoretic methods to connect automorphic forms with arithmetic.

• Steinhaus theoremNarrower topic: Translation continuity and convolution place the theorem within this broader analytical toolkit.

• Weyl's lemmaNarrower topic: Weyl's lemma sits within the broader study of Laplace equations and harmonic functions.