List questions from dirac-delta

Published on 29 Mar 2026 - 10:07

694

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2D Dirac delta function: how to prove $\delta(ax, by) = \frac{1}{|ab|} \delta(x,y)$?

Published on 05 Oct 2021 - 16:05

78

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$\delta \in H^{-s}(\mathbb{R}^n)$ for $s>\frac{n}{2}$

Published on 26 Mar 2026 - 21:26

258

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Chain rule on a dirac delta function

Published on 10 Oct 2021 - 20:03

69

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Integral involving derivative of delta function

Published on 11 Oct 2021 - 2:03

114

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Why does $\frac{d}{dx}\delta(x-a)=-\frac{d}{da}\delta(x-a)$?

Published on 12 Oct 2021 - 11:18

37

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What is the fallacy when trying to evaluate the FT of the dirac delta function via integration by parts?

Published on 13 Oct 2021 - 2:00

89

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Integration by parts including delta function

Published on 14 Oct 2021 - 19:25

131

Views

How can we show that a counting measure is purely atomic?

Published on 18 Oct 2021 - 16:00

760

Views

Green's function of D'Alembertian

Published on 29 Mar 2026 - 3:11

505

Views

Simplest smooth ($C^{\infty}$) approximation to Dirac's $\delta$ with bounded support.

Published on 18 Oct 2021 - 21:17

72

Views

I encountered something strange for me, is this some kind of "generalized" Dirac delta function?

Published on 19 Oct 2021 - 10:16

50

Views

Expression of the Dirac delta on the surface of a domain

Published on 19 Oct 2021 - 15:16

154

Views

Inconsistency when solving IVP using Laplace Transform with Dirac Delta

Published on 31 Mar 2026 - 10:59

207

Views

Transition density of Brownian motion killed at $\partial D$

Published on 24 Oct 2021 - 1:12

List Question

Find weak derivative of sign-like function

2D Dirac delta function: how to prove $\delta(ax, by) = \frac{1}{|ab|} \delta(x,y)$?

$\delta \in H^{-s}(\mathbb{R}^n)$ for $s>\frac{n}{2}$

Chain rule on a dirac delta function

Integral involving derivative of delta function

Why does $\frac{d}{dx}\delta(x-a)=-\frac{d}{da}\delta(x-a)$?

What is the fallacy when trying to evaluate the FT of the dirac delta function via integration by parts?

Integration by parts including delta function

How can we show that a counting measure is purely atomic?

Green's function of D'Alembertian

Simplest smooth ($C^{\infty}$) approximation to Dirac's $\delta$ with bounded support.

I encountered something strange for me, is this some kind of "generalized" Dirac delta function?

Expression of the Dirac delta on the surface of a domain

Inconsistency when solving IVP using Laplace Transform with Dirac Delta

Transition density of Brownian motion killed at $\partial D$

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