List questions from partial-differential-equations

Published on 12 Apr 2026 - 2:45

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Properties of the distribution function.

Published on 11 Apr 2026 - 3:48

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D'Alembert's solution and Heaviside function

Published on 12 Apr 2026 - 14:54

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PDE with periodic boundary conditions

Published on 11 Apr 2026 - 22:09

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Green's Theorem and Divergence (2D)

Published on 13 Apr 2026 - 19:32

364

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Sum Formula Proofs

Published on 14 Apr 2026 - 4:25

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Dirichlet vs Neumann Boundary Conditions of a PDE?

Published on 12 Apr 2026 - 23:18

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What does the "mean value property" mean?

Published on 12 Apr 2026 - 20:13

48

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A Dirichlet problem with Landesman Lazer condition

Published on 25 Apr 2026 - 1:27

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Divergence inequality for a function that is vanishing on boundary

Published on 16 Apr 2026 - 8:05

56

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How do I solve $ \frac{\partial{C(x,t)}}{\partial{t}} = D\frac{\partial^2C(x,t)}{\partial{x^2}}$?

Published on 13 Apr 2026 - 19:40

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Using the Spherical mean, show that $V(x)=\frac{|y^2|-|x|^2}{|y-x|^N}$ is hamonic over $R^N\setminus\{y\}$.

Published on 15 Apr 2026 - 20:28

52

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Spectrum of the operator of differentiation along streamlines

Published on 10 Apr 2026 - 11:19

314

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Show that the space of the harmonic functions over $\Omega$ in $L^2$ are closed.

Published on 14 Apr 2026 - 10:23

391

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Separation of variables (PDE)

Published on 13 Apr 2026 - 13:42

List Question

What is spectrum for Laplacian in $\mathbb{R}^n$?

Properties of the distribution function.

D'Alembert's solution and Heaviside function

PDE with periodic boundary conditions

Green's Theorem and Divergence (2D)

Sum Formula Proofs

Dirichlet vs Neumann Boundary Conditions of a PDE?

What does the "mean value property" mean?

A Dirichlet problem with Landesman Lazer condition

Divergence inequality for a function that is vanishing on boundary

How do I solve $ \frac{\partial{C(x,t)}}{\partial{t}} = D\frac{\partial^2C(x,t)}{\partial{x^2}}$?

Using the Spherical mean, show that $V(x)=\frac{|y^2|-|x|^2}{|y-x|^N}$ is hamonic over $R^N\setminus\{y\}$.

Spectrum of the operator of differentiation along streamlines

Show that the space of the harmonic functions over $\Omega$ in $L^2$ are closed.

Separation of variables (PDE)

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