Question

Is $\int dx dy \frac{f(x) g(y)}{y-x + i0}$ defined on piecewise continous functions

score 37 · Answer 1 · 2026-03-26 14:34:24

37

Views

Is $\int dx dy \frac{f(x) g(y)}{y-x + i0}$ defined on piecewise continous functions

Published on 26 Mar 2026 - 14:34

score 87 · Answer 2 · 2026-04-12 06:05:08

87

Views

Can a random variable symmetric about zero be uniquely defined by the difference of two other iid random variables with mean zero?

Published on 12 Apr 2026 - 6:05

score 46 · Answer 3 · 2026-04-13 03:52:04

46

Views

Difference in supports of $\delta$ and $\delta$' distributions

Published on 13 Apr 2026 - 3:52

score 64 · Answer 4 · 2026-04-13 17:10:41

64

Views

Taylor Expansion of F-critical value around Chi-square critical value

Published on 13 Apr 2026 - 17:10

score 29 · Answer 5 · 2026-04-12 20:16:40

29

Views

Characterization of the distribution$\nabla\delta(g(x))$?

Published on 12 Apr 2026 - 20:16

score 39 · Answer 6 · 2026-04-13 03:37:39

39

Views

Schwartz kernel theorem for currents

Published on 13 Apr 2026 - 3:37

score 75 · Answer 7 · 2026-04-12 21:10:37

75

Views

Principal value of $\frac{1}{x}$ is not associated to a measure.

Published on 12 Apr 2026 - 21:10

score 315 · Answer 8 · 2026-04-14 02:53:35

315

Views

Why is dirac delta in $H^{-1/2-\epsilon}$ and why is multiplication not well-defined in that space?

Published on 14 Apr 2026 - 2:53

score 74 · Answer 9 · 2026-04-12 23:19:48

74

Views

Distribution limit of delta function

Published on 12 Apr 2026 - 23:19

score 95 · Answer 10 · 2026-04-13 02:15:18

95

Views

Are there insurmountable obstacles in extending the Dirac delta function $\delta(x)$ for $x\in\mathbb{R}$ to $\delta(s)$ for $s\in \mathbb{C}$?

Published on 13 Apr 2026 - 2:15

score 333 · Answer 11 · 2026-04-11 18:04:08

333

Views

Computing Fourier transform of $|x|^{-\alpha}$ in $\mathbb{R}^n$ by approximating it with Schwartz functions

Published on 11 Apr 2026 - 18:04

score 108 · Answer 12 · 2022-03-11 00:31:59

108

Views

The limit as $\epsilon \rightarrow 0+$ of $\frac{1}{\epsilon}P\big(\frac{u}{\epsilon}\big)$

Published on 11 Mar 2022 - 0:31

score 105 · Answer 13 · 2026-04-13 10:49:57

105

Views

Computing Fourier transform of $|x|^{−\alpha}$ in $\mathbb{R}^n$ using Schwinger's trick

Published on 13 Apr 2026 - 10:49

score 254 · Answer 14 · 2026-04-09 14:49:00

254

Views

How to define real fractional Sobolev space?

Published on 09 Apr 2026 - 14:49

score 200 · Answer 15 · 2026-04-13 03:08:47

200

Views

The weak formulation for parabolic equation

Published on 13 Apr 2026 - 3:08

List Question

Is $\int dx dy \frac{f(x) g(y)}{y-x + i0}$ defined on piecewise continous functions

Can a random variable symmetric about zero be uniquely defined by the difference of two other iid random variables with mean zero?

Difference in supports of $\delta$ and $\delta$' distributions

Taylor Expansion of F-critical value around Chi-square critical value

Characterization of the distribution$\nabla\delta(g(x))$?

Schwartz kernel theorem for currents

Principal value of $\frac{1}{x}$ is not associated to a measure.

Why is dirac delta in $H^{-1/2-\epsilon}$ and why is multiplication not well-defined in that space?

Distribution limit of delta function

Are there insurmountable obstacles in extending the Dirac delta function $\delta(x)$ for $x\in\mathbb{R}$ to $\delta(s)$ for $s\in \mathbb{C}$?

Computing Fourier transform of $|x|^{-\alpha}$ in $\mathbb{R}^n$ by approximating it with Schwartz functions

The limit as $\epsilon \rightarrow 0+$ of $\frac{1}{\epsilon}P\big(\frac{u}{\epsilon}\big)$

Computing Fourier transform of $|x|^{−\alpha}$ in $\mathbb{R}^n$ using Schwinger's trick

How to define real fractional Sobolev space?

The weak formulation for parabolic equation

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