Question

Asymptotic expansion of an inverse Fourier integral

score 139 · Answer 1 · 2026-05-11 10:11:07

139

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Asymptotic expansion of an inverse Fourier integral

Published on 11 May 2026 - 10:11

score 34 · Answer 2 · 2026-04-15 04:01:59

34

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Boundary Values for the Convolution Theorem for the Inverse Fourier Transform

Published on 15 Apr 2026 - 4:01

score 128 · Answer 3 · 2026-04-14 02:50:47

128

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Why do there exist continuous functions with $\sum_n |c_n|^{2-\epsilon} = \infty$ for all $\epsilon > 0$?

Published on 14 Apr 2026 - 2:50

score 200 · Answer 4 · 2026-04-10 03:31:18

200

Views

Fourier transform and the heat semigroup

Published on 10 Apr 2026 - 3:31

score 34 · Answer 5 · 2026-04-13 01:19:37

34

Views

What does it mean for a distribution to have support on the real axis?

Published on 13 Apr 2026 - 1:19

score 102 · Answer 6 · 2026-04-14 21:19:05

102

Views

How to show $\sum_{n=0}^{q-1} ne^{2\pi i\frac{p}{q} n^2 } = -\frac{q}{2} $ a connection between Quadratic Gauss Sums and Cesaro Summation

Published on 14 Apr 2026 - 21:19

score 25 · Answer 7 · 2026-04-11 12:30:47

25

Views

How to operate with linear system on matrix Fourier coefficients — where to read about, if it's too simple?

Published on 11 Apr 2026 - 12:30

score 49 · Answer 8 · 2026-04-12 12:01:54

49

Views

Is this still a valid way to write the Fourier transform?

Published on 12 Apr 2026 - 12:01

score 26 · Answer 9 · 2026-04-14 03:00:50

26

Views

How to characterize all operators which obey the Poisson Resummation Formula over the Integers

Published on 14 Apr 2026 - 3:00

score 119 · Answer 10 · 2026-04-10 22:11:02

119

Views

Good Kernels: Stein Fourier Analysis Exercise 10 Chapter 5

Published on 10 Apr 2026 - 22:11

score 144 · Answer 11 · 2026-04-11 07:31:14

144

Views

Is there an analog of frequency for operators?

Published on 11 Apr 2026 - 7:31

score 31 · Answer 12 · 2026-04-12 20:35:01

31

Views

Mistake in my computation of the Fourier transform of $\operatorname{sinc}(a \cdot + b)$

Published on 12 Apr 2026 - 20:35

score 117 · Answer 13 · 2026-04-15 00:30:51

117

Views

Show that the Fourier transform of $f(x) = \exp(-x^2/2)$ satisfies the differential equation $F'(x) = -x F(x)$

Published on 15 Apr 2026 - 0:30

score 69 · Answer 14 · 2026-04-12 15:07:27

69

Views

Question about the Fourier transform of $\exp(-a |t|)$

Published on 12 Apr 2026 - 15:07

score 47 · Answer 15 · 2026-04-09 23:23:18

47

Views

Fourier transformation of product of sinc function and continuous, bandlimited functions

Published on 09 Apr 2026 - 23:23

List Question

Asymptotic expansion of an inverse Fourier integral

Boundary Values for the Convolution Theorem for the Inverse Fourier Transform

Why do there exist continuous functions with $\sum_n |c_n|^{2-\epsilon} = \infty$ for all $\epsilon > 0$?

Fourier transform and the heat semigroup

What does it mean for a distribution to have support on the real axis?

How to show $\sum_{n=0}^{q-1} ne^{2\pi i\frac{p}{q} n^2 } = -\frac{q}{2} $ a connection between Quadratic Gauss Sums and Cesaro Summation

How to operate with linear system on matrix Fourier coefficients — where to read about, if it's too simple?

Is this still a valid way to write the Fourier transform?

How to characterize all operators which obey the Poisson Resummation Formula over the Integers

Good Kernels: Stein Fourier Analysis Exercise 10 Chapter 5

Is there an analog of frequency for operators?

Mistake in my computation of the Fourier transform of $\operatorname{sinc}(a \cdot + b)$

Show that the Fourier transform of $f(x) = \exp(-x^2/2)$ satisfies the differential equation $F'(x) = -x F(x)$

Question about the Fourier transform of $\exp(-a |t|)$

Fourier transformation of product of sinc function and continuous, bandlimited functions

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