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$H^s$ boundedness and $L^2$ convergence imply limit is $H^s$ bounded

score 31 · Answer 1 · 2026-04-14 07:12:55

31

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$H^s$ boundedness and $L^2$ convergence imply limit is $H^s$ bounded

Published on 14 Apr 2026 - 7:12

score 364 · Answer 2 · 2026-04-14 00:15:03

364

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Poisson Summation and Odd Functions

Published on 14 Apr 2026 - 0:15

score 142 · Answer 3 · 2026-04-11 03:33:02

142

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Using the Bessel inequality to obtain another inequality (Fourier Analysis)

Published on 11 Apr 2026 - 3:33

score 42 · Answer 4 · 2026-04-13 08:06:26

42

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Integral equation with a cosine-like transform

Published on 13 Apr 2026 - 8:06

score 3.2k · Answer 5 · 2026-04-11 02:13:59

3.2k

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Two ways of writing the Fourier transform of the mod function

Published on 11 Apr 2026 - 2:13

score 16.2k · Answer 6 · 2026-04-09 10:11:19

16.2k

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How does one derive the Fourier transform of the Ramp function?

Published on 09 Apr 2026 - 10:11

score 115 · Answer 7 · 2026-04-12 15:13:42

115

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Calculating fourier series to get the sum of a sequence

Published on 12 Apr 2026 - 15:13

score 182 · Answer 8 · 2026-04-09 13:27:16

182

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Determining signal response of causal system

Published on 09 Apr 2026 - 13:27

score 1.6k · Answer 9 · 2026-04-13 17:24:25

1.6k

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Find the Fourier series for the function defined by following:

Published on 13 Apr 2026 - 17:24

score 4.8k · Answer 10 · 2026-04-15 12:38:37

4.8k

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Legendre polynomial on interval [a,b] other than [-1,1]

Published on 15 Apr 2026 - 12:38

score 4.4k · Answer 11 · 2026-04-09 05:41:05

4.4k

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Fourier transform of $ h(x)=f(ax-b)??$

Published on 09 Apr 2026 - 5:41

score 47 · Answer 12 · 2026-04-15 02:56:25

47

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Discrete fourier transform on $\mathbb{Z}/N\mathbb{Z}$ vanishing on an interval of size at least $\sqrt{N}$

Published on 15 Apr 2026 - 2:56

score 370 · Answer 13 · 2026-04-12 19:27:35

370

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Visualization of Fourier series of $x \sin(x)$

Published on 12 Apr 2026 - 19:27

score 82 · Answer 14 · 2026-04-13 20:51:54

82

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If $|a-b| \geq \sqrt{N}$ for every $a \neq b \in \text{supp}(\hat{f})$, what can we say about $f : \mathbb{Z}/N\mathbb{Z} \to \mathbb{C}?$

Published on 13 Apr 2026 - 20:51

score 619 · Answer 15 · 2026-04-14 12:27:25

619

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Computing the Inverse Fourier Transform of $\tanh(x)/x$

Published on 14 Apr 2026 - 12:27

List Question

$H^s$ boundedness and $L^2$ convergence imply limit is $H^s$ bounded

Poisson Summation and Odd Functions

Using the Bessel inequality to obtain another inequality (Fourier Analysis)

Integral equation with a cosine-like transform

Two ways of writing the Fourier transform of the mod function

How does one derive the Fourier transform of the Ramp function?

Calculating fourier series to get the sum of a sequence

Determining signal response of causal system

Find the Fourier series for the function defined by following:

Legendre polynomial on interval [a,b] other than [-1,1]

Fourier transform of $ h(x)=f(ax-b)??$

Discrete fourier transform on $\mathbb{Z}/N\mathbb{Z}$ vanishing on an interval of size at least $\sqrt{N}$

Visualization of Fourier series of $x \sin(x)$

If $|a-b| \geq \sqrt{N}$ for every $a \neq b \in \text{supp}(\hat{f})$, what can we say about $f : \mathbb{Z}/N\mathbb{Z} \to \mathbb{C}?$

Computing the Inverse Fourier Transform of $\tanh(x)/x$

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