List questions from fourier-analysis

Published on 13 Apr 2026 - 13:25

39

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Fourier Analysis Help - $\mathcal L^2$

Published on 13 Apr 2026 - 1:07

58

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Is there any mistake? Proof related to the Poisson summation formula.

Published on 13 Apr 2026 - 10:44

661

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About Fourier transform and complex conjugate

Published on 09 Apr 2026 - 14:59

270

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Fourier transform of $L^1$ function square summable?

Published on 12 Apr 2026 - 3:34

137

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About convergence in norm of the Fourier Transform

Published on 10 Apr 2026 - 7:27

518

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Difficult Fourier transform exercise

Published on 13 Apr 2026 - 1:07

66

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If $f \in L^2 \cap C_c$ then $\sum_{n \in \mathbb{Z}}|\hat{f}(\xi+2\pi n)|^2 = a_0+...a_n \cos(2 \pi n \xi)$

Published on 14 Apr 2026 - 0:14

116

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An exercise regarding fourier inversion formula

Published on 09 Apr 2026 - 11:56

316

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Proving Inverse DFT

Published on 15 Apr 2026 - 11:49

608

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Discrete time Fourier transform on decimated signals

Published on 12 Apr 2026 - 10:23

55

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Fourier transform of this?

Published on 10 Apr 2026 - 22:05

192

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

Published on 15 Apr 2026 - 0:18

51

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

Published on 14 Apr 2026 - 12:32

5.9k

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Fourier Transform: Understanding change of basis property with ideas from linear algebra

Published on 12 Apr 2026 - 7:14

List Question

Calculating inverse Fourier Transform without outright integrating

Fourier Analysis Help - $\mathcal L^2$

Is there any mistake? Proof related to the Poisson summation formula.

About Fourier transform and complex conjugate

Fourier transform of $L^1$ function square summable?

About convergence in norm of the Fourier Transform

Difficult Fourier transform exercise

If $f \in L^2 \cap C_c$ then $\sum_{n \in \mathbb{Z}}|\hat{f}(\xi+2\pi n)|^2 = a_0+...a_n \cos(2 \pi n \xi)$

An exercise regarding fourier inversion formula

Proving Inverse DFT

Discrete time Fourier transform on decimated signals

Fourier transform of this?

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

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

Fourier Transform: Understanding change of basis property with ideas from linear algebra

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