List questions from partial-differential-equations

Published on 12 Apr 2026 - 9:25

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Maximum principle for heat equation with Neumann boundary conditions

Published on 08 Apr 2026 - 22:37

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How to find the coefficients in the Fourier series solution of a 1-D heat equation?

Published on 11 May 2026 - 8:40

82

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Using the convergence of Fourier Series Theorem to estimate the number of terms for Fourier Series $f(x)$

Published on 16 Apr 2026 - 3:46

194

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The spectrum of $L:=-\Delta+V(x)$ on complex $L^2(\mathbb{R}^N)$ and real $L^2(\mathbb{R}^N)$

Published on 15 Apr 2026 - 0:59

428

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Advection equation with source u/x

Published on 12 Apr 2026 - 13:16

181

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Boundary conditions for the time-independent Schrödinger equation on the sphere

Published on 10 Apr 2026 - 9:41

256

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Continuity of a composition map between Holder spaces

Published on 11 May 2026 - 4:32

39

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Asking for help with a PDE problem.

Published on 09 Apr 2026 - 21:39

299

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Is it possible to solve pde with 2 Neumann boundary conditions (Gaussian Elimination)?

Published on 15 May 2026 - 17:42

907

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Solving Laplace's equation

Published on 15 May 2026 - 13:03

474

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Maximal principle: proof for subsolution

Published on 10 Apr 2026 - 10:43

29

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finding ODEs satisfied by X and Y for a PDE

Published on 15 Apr 2026 - 20:03

218

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Solving the PDE $\frac{\partial^2 \phi}{\partial x^2} + \frac{\partial ^2 \phi}{\partial y^2} = K \phi$ using the separation of variables

Published on 14 Apr 2026 - 16:12

531

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Strange thing about Weak Maximum\Minimum Principle?

Published on 10 Apr 2026 - 2:10

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Complex Fourier Series. I Might Neeed Some Help On This Problem

Maximum principle for heat equation with Neumann boundary conditions

How to find the coefficients in the Fourier series solution of a 1-D heat equation?

Using the convergence of Fourier Series Theorem to estimate the number of terms for Fourier Series $f(x)$

The spectrum of $L:=-\Delta+V(x)$ on complex $L^2(\mathbb{R}^N)$ and real $L^2(\mathbb{R}^N)$

Advection equation with source u/x

Boundary conditions for the time-independent Schrödinger equation on the sphere

Continuity of a composition map between Holder spaces

Asking for help with a PDE problem.

Is it possible to solve pde with 2 Neumann boundary conditions (Gaussian Elimination)?

Solving Laplace's equation

Maximal principle: proof for subsolution

finding ODEs satisfied by X and Y for a PDE

Solving the PDE $\frac{\partial^2 \phi}{\partial x^2} + \frac{\partial ^2 \phi}{\partial y^2} = K \phi$ using the separation of variables

Strange thing about Weak Maximum\Minimum Principle?

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