Question

How to solve a 2nd order PDE with asymptotic boundary condition?

score 87 · Answer 1 · 2026-04-14 13:21:53

87

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How to solve a 2nd order PDE with asymptotic boundary condition?

Published on 14 Apr 2026 - 13:21

score 23 · Answer 2 · 2026-04-13 17:21:11

23

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Inverse Fourier Transform of a sum of 2 off-set triangle

Published on 13 Apr 2026 - 17:21

score 58 · Answer 3 · 2026-04-11 11:15:12

58

Views

Fourier Transform Symmetry Misunderstanding

Published on 11 Apr 2026 - 11:15

score 36 · Answer 4 · 2026-04-10 21:44:57

36

Views

Show that $\hat{\delta_h} = e^{-2\pi i h \cdot \xi}$

Published on 10 Apr 2026 - 21:44

score 84 · Answer 5 · 2026-04-09 02:19:40

84

Views

Fourier transform of a double integral

Published on 09 Apr 2026 - 2:19

score 43 · Answer 6 · 2026-04-15 19:06:11

43

Views

For a probability measure $\mu$, does $|1-\hat{\mu} (\xi)| \geq c \xi^2$ hold near zero?

Published on 15 Apr 2026 - 19:06

score 91 · Answer 7 · 2026-04-09 09:35:49

91

Views

How can I use Plancherel theorem here?

Published on 09 Apr 2026 - 9:35

score 32 · Answer 8 · 2026-04-16 19:32:59

32

Views

If $G^{(k)}(y)$ is the $k^{th}$ derivative of the Gaussian function, how can we guarantee $|G^{(k)}| \leq C_k e^{-|y|}$ for some coefficients $C_k$?

Published on 16 Apr 2026 - 19:32

score 387 · Answer 9 · 2026-04-10 18:10:36

387

Views

Integrability of Fourier Transform of Lipshitz functions

Published on 10 Apr 2026 - 18:10

score 91 · Answer 10 · 2026-04-15 22:07:59

91

Views

Show that the $\mathcal{F}^4(f)=f$ for all $f\in \mathscr{S}(\mathbb{R})$

Published on 15 Apr 2026 - 22:07

score 101 · Answer 11 · 2026-04-09 16:02:11

101

Views

Calculating an integral using fourier transform.

Published on 09 Apr 2026 - 16:02

score 110 · Answer 12 · 2026-04-09 12:54:49

110

Views

About a proof of fourier transformation of error function

Published on 09 Apr 2026 - 12:54

score 162 · Answer 13 · 2026-04-09 08:48:34

162

Views

Contradiction in two ways to derive Fourier transformation of error function

Published on 09 Apr 2026 - 8:48

score 97 · Answer 14 · 2026-04-10 21:21:58

97

Views

How to proof the convolution product with the Fourier integral?

Published on 10 Apr 2026 - 21:21

score 501 · Answer 15 · 2026-04-14 22:08:53

501

Views

Using the Riemann-Lebesgue lemma to find the integral of a very oscillating function

Published on 14 Apr 2026 - 22:08

List Question

How to solve a 2nd order PDE with asymptotic boundary condition?

Inverse Fourier Transform of a sum of 2 off-set triangle

Fourier Transform Symmetry Misunderstanding

Show that $\hat{\delta_h} = e^{-2\pi i h \cdot \xi}$

Fourier transform of a double integral

For a probability measure $\mu$, does $|1-\hat{\mu} (\xi)| \geq c \xi^2$ hold near zero?

How can I use Plancherel theorem here?

If $G^{(k)}(y)$ is the $k^{th}$ derivative of the Gaussian function, how can we guarantee $|G^{(k)}| \leq C_k e^{-|y|}$ for some coefficients $C_k$?

Integrability of Fourier Transform of Lipshitz functions

Show that the $\mathcal{F}^4(f)=f$ for all $f\in \mathscr{S}(\mathbb{R})$

Calculating an integral using fourier transform.

About a proof of fourier transformation of error function

Contradiction in two ways to derive Fourier transformation of error function

How to proof the convolution product with the Fourier integral?

Using the Riemann-Lebesgue lemma to find the integral of a very oscillating function

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