List questions from partial-differential-equations

Published on 25 Mar 2026 - 1:31

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Reference Request: Estimates for Euler Lagrange PDE

Published on 01 Apr 2026 - 18:25

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Find the solution of $u_{x}+u_{y}=u^{2}$ passing through $u=x$ when $y=-x$ and indicate the region in the $(x,y)$ plane where your solution is valid.

Published on 25 Mar 2026 - 2:12

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Help understand inequality algebra and stability analysis Du Fort-Frankel scheme PDE

Published on 25 Mar 2026 - 1:26

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The interior gradient estimate for harmonic function

Published on 26 Mar 2026 - 6:17

70

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Fractional reaction diffusion equation

Published on 06 Apr 2026 - 1:37

317

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Proving that there doesn't exist a non-constant function that is solution of a PDE

Published on 25 Mar 2026 - 2:13

96

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Canonical equations (PDE)

Published on 01 Apr 2026 - 0:12

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Reduce the equation to canonical form. $u_{xx}+2ayu_{xy}+e^{2x}u_{yy}-u=0$

Published on 25 Mar 2026 - 18:33

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How do you show that every non-constant real valued harmonic function on $\mathbb{R}^n$ has a zero? What about $\mathbb{R}^2$ \ $\{0\}$?

Published on 25 Mar 2026 - 9:27

330

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Inverse scattering transform and GLM (Gel'fand-Levitan-Marchenko) equation

Published on 04 Apr 2026 - 9:26

64

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What are the most famous qualitative methods to study and analyse a differential equation?

Published on 26 Mar 2026 - 17:14

707

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Convergence of Lax-Wendroff method

Published on 25 Mar 2026 - 13:53

314

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Definition of weak solution of heat equation?

Published on 27 Mar 2026 - 16:56

40

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Confused about solving PDEs by defining new variables

Published on 25 Mar 2026 - 7:42

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Finite difference method stability with irregular discretization

Reference Request: Estimates for Euler Lagrange PDE

Find the solution of $u_{x}+u_{y}=u^{2}$ passing through $u=x$ when $y=-x$ and indicate the region in the $(x,y)$ plane where your solution is valid.

Help understand inequality algebra and stability analysis Du Fort-Frankel scheme PDE

The interior gradient estimate for harmonic function

Fractional reaction diffusion equation

Proving that there doesn't exist a non-constant function that is solution of a PDE

Canonical equations (PDE)

Reduce the equation to canonical form. $u_{xx}+2ayu_{xy}+e^{2x}u_{yy}-u=0$

How do you show that every non-constant real valued harmonic function on $\mathbb{R}^n$ has a zero? What about $\mathbb{R}^2$ \ $\{0\}$?

Inverse scattering transform and GLM (Gel'fand-Levitan-Marchenko) equation

What are the most famous qualitative methods to study and analyse a differential equation?

Convergence of Lax-Wendroff method

Definition of weak solution of heat equation?

Confused about solving PDEs by defining new variables

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