List questions from harmonic-analysis

Published on 25 Mar 2026 - 22:23

718

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A property of exponential of operators

Published on 23 Feb 2026 - 4:59

98

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Harmonic functions using complex analysis

Published on 15 May 2014 - 22:09

381

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restriction of unitary operator is unitary?

Published on 17 May 2014 - 2:05

106

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Can a continuous function on a compact group $G$ be interpreted as the sum in $C(G)$ of its Fourier series?

Published on 18 May 2014 - 13:51

407

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Continuity under the integral sign?

Published on 20 May 2014 - 4:18

108

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-homomorphism and -representation

Published on 20 May 2014 - 7:54

415

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Application of weak $L^p$ estimate besides for proving boundedness of some linear operator

Published on 23 May 2014 - 19:46

210

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Relation between fractional integral operator and solution of poisson equation

Published on 23 May 2014 - 20:12

3.5k

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Why are all Laplacian eigenfunctions on the square obtained by separation of variables?

Published on 24 May 2014 - 16:55

83

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Module algebras

Published on 26 Mar 2026 - 14:26

349

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Is every unitary representation a direct sum of irreducible subprepresentations?

Published on 26 May 2014 - 19:49

116

Views

If the Fourier transform of a probability measure goes to zero at infinity, can the measure have a point mass?

Published on 28 May 2014 - 6:18

1.1k

Views

A questions about the schur's lemma

Published on 31 May 2014 - 6:25

673

Views

Using Plancherel's Theorem to Prove the Gauss Sum

Published on 03 Jun 2014 - 7:39

List Question

I "proved" the first Laplacian eigenvalue has many eigenfunctions. Where's my mistake?

A property of exponential of operators

Harmonic functions using complex analysis

restriction of unitary operator is unitary?

Can a continuous function on a compact group $G$ be interpreted as the sum in $C(G)$ of its Fourier series?

Continuity under the integral sign?

-homomorphism and -representation

Application of weak $L^p$ estimate besides for proving boundedness of some linear operator

Relation between fractional integral operator and solution of poisson equation

Why are all Laplacian eigenfunctions on the square obtained by separation of variables?

Module algebras

Is every unitary representation a direct sum of irreducible subprepresentations?

If the Fourier transform of a probability measure goes to zero at infinity, can the measure have a point mass?

A questions about the schur's lemma

Using Plancherel's Theorem to Prove the Gauss Sum

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