List questions from distribution-theory

Published on 25 Mar 2026 - 18:47

114

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Computing divergence of a piecewise constant vector field

Published on 26 Mar 2026 - 9:12

631

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Dirac delta vs boundary condition

Published on 17 Mar 2026 - 14:30

47

Views

Evaluate the series $\sum_{n\in \mathbb{Z}} n^m e^{i n x }$

Published on 26 Mar 2026 - 12:47

101

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Reference request for PDE explained with distributions

Published on 25 Apr 2019 - 22:38

153

Views

Theorem about eigenfunction of the Laplace operator $-\Delta$

Published on 26 Apr 2019 - 19:15

486

Views

Application of the $\delta$ distribution to a function which is not a Schwartz-Function?

Published on 26 Mar 2026 - 14:20

55

Views

Question about a function in the argument of a Delta function (distribution)

Published on 26 Mar 2026 - 14:19

256

Views

Unilateral Laplace Transform Uniqueness and Dirac Delta "function"

Published on 26 Mar 2026 - 14:17

761

Views

Integral of a generalized function

Published on 26 Mar 2026 - 14:16

30

Views

Let $F$ denote a distribution on $C_c^{\infty}$ or $S(R^d)$ , can we decomposite $F$ as the difference of two positive distribution?

Published on 04 May 2019 - 9:37

436

Views

The dual space of the Sobolev space $W^{k,p}(\Omega)$.

Published on 04 May 2019 - 15:43

102

Views

If $f\in C^1$, how can we determine the weak derivative of $x\mapsto\min(1,f(x))$?

Published on 25 Mar 2026 - 14:25

64

Views

Does $\lim_{x\rightarrow 0^+}Cxy^{\frac{-4}{3}}e^{\frac{-x^3}{9y}} (x>0, y>0)$ converge to delta function?

Published on 09 May 2019 - 17:44

36

Views

Almost adjointness propertie for distributions

Published on 13 May 2019 - 6:49

List Question

Fourier transform of $\varphi_m(u)=\int |x|^mu(x)dx$

Computing divergence of a piecewise constant vector field

Dirac delta vs boundary condition

Evaluate the series $\sum_{n\in \mathbb{Z}} n^m e^{i n x }$

Reference request for PDE explained with distributions

Theorem about eigenfunction of the Laplace operator $-\Delta$

Application of the $\delta$ distribution to a function which is not a Schwartz-Function?

Question about a function in the argument of a Delta function (distribution)

Unilateral Laplace Transform Uniqueness and Dirac Delta "function"

Integral of a generalized function

Let $F$ denote a distribution on $C_c^{\infty}$ or $S(R^d)$ , can we decomposite $F$ as the difference of two positive distribution?

The dual space of the Sobolev space $W^{k,p}(\Omega)$.

If $f\in C^1$, how can we determine the weak derivative of $x\mapsto\min(1,f(x))$?

Does $\lim_{x\rightarrow 0^+}Cxy^{\frac{-4}{3}}e^{\frac{-x^3}{9y}} (x>0, y>0)$ converge to delta function?

Almost adjointness propertie for distributions

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