List questions from fourier-transform

Published on 20 Feb 2018 - 9:56

34

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$\sum_j \sin(x_jt) \coth(\alpha x_j)$

Published on 20 Feb 2018 - 13:33

91

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Fourier transform, series, distribution: $F\phi=\sum_{n \in \mathbb{Z}} \phi(n), ~~~~~ \phi \in \mathcal S(\mathbb{R})$

Published on 24 Mar 2026 - 22:18

257

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Integration of the product of a function and the Heaviside function

Published on 24 Mar 2026 - 22:13

676

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Regularity of a function from asymptotics of its Fourier transform?

Published on 21 Feb 2018 - 15:04

55

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Why isn't the exponential part of fourier transform included while differentiating the fourier transform of f(x)?

Published on 22 Feb 2018 - 14:22

117

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Fourier transform of $(x-c)^{-p/q}$, $p$ and $q$ co-prime.

Published on 22 Feb 2018 - 17:46

54

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Is my approach to solve this PDE using Fourier transform right?

Published on 23 Feb 2018 - 11:53

1.1k

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$H^s$ norm of a Fourier transform

Published on 22 Mar 2026 - 19:45

113

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Special case of Plancherel's implies Plancherel's

Published on 27 Feb 2018 - 1:45

48

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Is this a more correct definition of a fourier transform?

Published on 27 Feb 2018 - 23:04

408

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Justifying using the Fourier inversion theorem for $f\not \in L^1$

Published on 01 Mar 2018 - 15:30

2k

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What does the Fourier transform of $\cos \pi x$ look like?

Published on 02 Mar 2018 - 0:33

172

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Derivation of the Fourier Transform of a PDE

Published on 02 Mar 2018 - 0:59

79

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Operator defined on periodic-distribution sobolev space

Published on 02 Mar 2018 - 1:13

List Question

Defining a Fourier transform through a limiting process

$\sum_j \sin(x_jt) \coth(\alpha x_j)$

Fourier transform, series, distribution: $F\phi=\sum_{n \in \mathbb{Z}} \phi(n), ~~~~~ \phi \in \mathcal S(\mathbb{R})$

Integration of the product of a function and the Heaviside function

Regularity of a function from asymptotics of its Fourier transform?

Why isn't the exponential part of fourier transform included while differentiating the fourier transform of f(x)?

Fourier transform of $(x-c)^{-p/q}$, $p$ and $q$ co-prime.

Is my approach to solve this PDE using Fourier transform right?

$H^s$ norm of a Fourier transform

Special case of Plancherel's implies Plancherel's

Is this a more correct definition of a fourier transform?

Justifying using the Fourier inversion theorem for $f\not \in L^1$

What does the Fourier transform of $\cos \pi x$ look like?

Derivation of the Fourier Transform of a PDE

Operator defined on periodic-distribution sobolev space

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