List questions from fourier-series

Published on 12 Apr 2026 - 13:59

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Series in hyperbolic sines.

Published on 29 May 2015 - 1:53

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A problem similar to $L^2$ Fourier transform, but in the setting of Borel measure.

Published on 05 Apr 2026 - 17:22

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Convergence of a subsequence in $(C(\mathbb{T}), \|\cdot\|_2)$

Published on 29 May 2015 - 12:14

70

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Complex version of Fourier series

Published on 10 Apr 2026 - 11:20

296

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What is the range on a fourier transform?

Published on 12 Apr 2026 - 21:36

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$h_k(x):=\sum_{n \in \mathbb{Z}} F(f_k)(n)e^{-inx} \rightarrow h(x):=\sum_{n \in \mathbb{Z}} F(f)(n)e^{-inx} $?

Published on 12 Apr 2026 - 16:14

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Using fourier expansion to find the constant

Published on 09 Apr 2026 - 20:01

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Represent $\cos(x)$ as a sum of sines - where is my mistake

Published on 10 Apr 2026 - 21:39

154

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Fourier series normalize

Published on 10 Apr 2026 - 22:05

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Is Fourier transform a generalisation of Fourier series?

Published on 09 Apr 2026 - 3:42

63

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Simple Trig Identity?

Published on 12 Apr 2026 - 1:12

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If$f \in L_1 (R)$ so that $xf(x), x \hat{f}(x) \in L_1 (\mathbb R)$, show that $\sum|\hat{f}(n)| \le \infty$ and finally Poisson summation formula

Published on 05 Apr 2026 - 17:18

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Why Fourier series has summation and Fourier transform has integration symbol in their respective formulae?

Published on 30 Mar 2026 - 15:30

75

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Fourier Transform Good Articles

Published on 09 Apr 2026 - 4:49

List Question

How to find coefficients in a power of a trig series?

Series in hyperbolic sines.

A problem similar to $L^2$ Fourier transform, but in the setting of Borel measure.

Convergence of a subsequence in $(C(\mathbb{T}), \|\cdot\|_2)$

Complex version of Fourier series

What is the range on a fourier transform?

$h_k(x):=\sum_{n \in \mathbb{Z}} F(f_k)(n)e^{-inx} \rightarrow h(x):=\sum_{n \in \mathbb{Z}} F(f)(n)e^{-inx} $?

Using fourier expansion to find the constant

Represent $\cos(x)$ as a sum of sines - where is my mistake

Fourier series normalize

Is Fourier transform a generalisation of Fourier series?

Simple Trig Identity?

If$f \in L_1 (R)$ so that $xf(x), x \hat{f}(x) \in L_1 (\mathbb R)$, show that $\sum|\hat{f}(n)| \le \infty$ and finally Poisson summation formula

Why Fourier series has summation and Fourier transform has integration symbol in their respective formulae?

Fourier Transform Good Articles

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