List questions from partial-differential-equations

Published on 16 Apr 2026 - 7:42

442

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Uniqueness for tempered distributional Cauchy problems

Published on 14 Apr 2026 - 13:40

6.9k

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Solving Wave Equations with different Boundary Conditions

Published on 09 Apr 2026 - 8:05

825

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Determining value of infinite sum after computing full Fourier Series

Published on 13 Apr 2026 - 11:23

2.2k

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Conservation of momentum for nonlinear Schrödinger equation

Published on 09 Apr 2026 - 21:56

50

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Question on computing $U_{xx}$

Published on 15 Apr 2026 - 5:44

111

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Energy of heat equation goes to 0

Published on 11 Apr 2026 - 7:17

203

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Local regularity for harmonic functions (Laplace's equation)

Published on 15 Apr 2026 - 5:45

155

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Show all the harmonic functions over $\mathbb{R}^N\setminus\{0\}$ such that $u(x)=f(|x|)$.

Published on 16 Apr 2026 - 11:27

97

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Find adjoint operator $L^$ for the 3rd order operator $Lu(x,t)=u_t(x,t)-u_x(x,t)+\gamma^2u(x,t)$, with $wLu-uL^w$ (1) is divergence expression.

Published on 16 Apr 2026 - 19:06

395

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Another diffusion partial differential equation, or Sturm-Liouville eigenvalue ODE

Published on 15 Apr 2026 - 23:23

510

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Solution to Laplace equation in $\mathbb{R}^n$

Published on 13 Apr 2026 - 20:43

700

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Existence of solutions to Laplace's equation for almost everywhere smooth boundary conditions

Published on 11 May 2026 - 0:48

159

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Solve Poisson's equation $C=\nabla^2 v$ where $C$ is a constant and $v$ my variable

Published on 11 May 2026 - 2:53

576

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Why is $-\Delta+1$ an isomorphism between Sobolev space $W^{2,p}$ and $L^p\,$?

Published on 15 Apr 2026 - 14:46

List Question

characteristic curves tangent and gradient

Uniqueness for tempered distributional Cauchy problems

Solving Wave Equations with different Boundary Conditions

Determining value of infinite sum after computing full Fourier Series

Conservation of momentum for nonlinear Schrödinger equation

Question on computing $U_{xx}$

Energy of heat equation goes to 0

Local regularity for harmonic functions (Laplace's equation)

Show all the harmonic functions over $\mathbb{R}^N\setminus\{0\}$ such that $u(x)=f(|x|)$.

Find adjoint operator $L^$ for the 3rd order operator $Lu(x,t)=u_t(x,t)-u_x(x,t)+\gamma^2u(x,t)$, with $wLu-uL^w$ (1) is divergence expression.

Another diffusion partial differential equation, or Sturm-Liouville eigenvalue ODE

Solution to Laplace equation in $\mathbb{R}^n$

Existence of solutions to Laplace's equation for almost everywhere smooth boundary conditions

Solve Poisson's equation $C=\nabla^2 v$ where $C$ is a constant and $v$ my variable

Why is $-\Delta+1$ an isomorphism between Sobolev space $W^{2,p}$ and $L^p\,$?

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