List questions from distribution-theory

Published on 03 Dec 2013 - 1:39

755

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Regularity theorem for Laplacian

Published on 03 Dec 2013 - 16:54

1.4k

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If $f\in L^1(\mathbb{R})$ is such that $\int_{\mathbb{R}}f\phi=0$ for all continuous compactly supported $\phi$, then $f\equiv 0$.

Published on 05 Dec 2013 - 6:07

1.4k

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Fourier Transform of Dirac Comb on $\mathbb{Z}$ and $\mathbb{Z}^{d}$.

Published on 05 Dec 2013 - 7:31

71

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Differential equation

Published on 02 Apr 2026 - 10:42

170

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What´s wrong in this computation of $\Delta(r^{-1})$ as a distribution?

Published on 06 Dec 2013 - 17:44

1.1k

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Iterated Limits Schizophrenia

Published on 07 Dec 2013 - 21:16

696

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Dirac's delta definition

Published on 09 Dec 2013 - 17:12

799

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About the Fourier transform of the sign function

Published on 27 Mar 2026 - 3:59

619

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About the k-th derivative of the Delta function

Published on 10 Dec 2013 - 11:17

226

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About convolution and Fourier transform

Published on 27 Mar 2026 - 3:56

1.4k

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About a Fourier transform of a non- integrable function.

Published on 27 Mar 2026 - 3:57

327

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Delta distributions with nonlinear arguments

Published on 16 Dec 2013 - 20:25

304

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why is test function space $\mathcal{A}$ complete

Published on 17 Dec 2013 - 11:24

103

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Multiplying and dividing distributions by non-$C^\infty$ functions.

Published on 17 Dec 2013 - 17:18

List Question

Constructing a Distributional Solution to the Inhomogeneous C.R. Equations

Regularity theorem for Laplacian

If $f\in L^1(\mathbb{R})$ is such that $\int_{\mathbb{R}}f\phi=0$ for all continuous compactly supported $\phi$, then $f\equiv 0$.

Fourier Transform of Dirac Comb on $\mathbb{Z}$ and $\mathbb{Z}^{d}$.

Differential equation

What´s wrong in this computation of $\Delta(r^{-1})$ as a distribution?

Iterated Limits Schizophrenia

Dirac's delta definition

About the Fourier transform of the sign function

About the k-th derivative of the Delta function

About convolution and Fourier transform

About a Fourier transform of a non- integrable function.

Delta distributions with nonlinear arguments

why is test function space $\mathcal{A}$ complete

Multiplying and dividing distributions by non-$C^\infty$ functions.

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