List questions from weak-derivatives

Published on 11 Apr 2026 - 20:04

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Find the weak derivative

Published on 14 Apr 2026 - 16:13

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Uniqueness of weak derivative

Published on 15 Apr 2026 - 12:45

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Shallow water equation entropy concept

Published on 10 May 2026 - 20:11

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Is a weak derivate of $f$ always a classical derivative of some $g$?

Published on 14 Apr 2026 - 17:22

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strong convergence in $W^{1,p}$ if $L^p$ convergence of function and all derivatives

Published on 15 Apr 2026 - 16:02

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Does the weak derivative satisfy the product rule?

Published on 10 Apr 2026 - 14:01

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Why are test functions in the definition of weak derivatives required to be $\mathcal{C}^{\infty}$?

Published on 11 Apr 2026 - 16:14

61

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Integrabilty of distibutions

Published on 17 Apr 2026 - 14:13

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Is there a version of Taylor's theorem with integral remainder which is valid if the function is only differentiable in a weak sense?

Published on 10 Apr 2026 - 14:08

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

Published on 15 Apr 2026 - 23:18

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Definition of weak derivative.

Published on 12 Apr 2026 - 12:14

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Partial integration on hypersurfaces - Why is there no "boundary integral"

Published on 10 Apr 2026 - 2:43

212

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Convergence of Mollifier in $W_0^{l,p}(\Omega)$

Published on 14 Apr 2026 - 3:15

25

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Distributional derivative and non-distributional derivative

Published on 16 Apr 2026 - 12:42

List Question

Distributional derivative of absolutely continuous function

Find the weak derivative

Uniqueness of weak derivative

Shallow water equation entropy concept

Is a weak derivate of $f$ always a classical derivative of some $g$?

strong convergence in $W^{1,p}$ if $L^p$ convergence of function and all derivatives

Does the weak derivative satisfy the product rule?

Why are test functions in the definition of weak derivatives required to be $\mathcal{C}^{\infty}$?

Integrabilty of distibutions

Is there a version of Taylor's theorem with integral remainder which is valid if the function is only differentiable in a weak sense?

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

Definition of weak derivative.

Partial integration on hypersurfaces - Why is there no "boundary integral"

Convergence of Mollifier in $W_0^{l,p}(\Omega)$

Distributional derivative and non-distributional derivative

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