List questions from partial-differential-equations

Published on 11 Apr 2026 - 13:13

251

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Linear algebra - as applied to the weak maximum principle

Published on 11 May 2026 - 3:12

219

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solving a simple inverse problem related to elliptic pde

Published on 10 May 2026 - 19:03

879

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Products of distributions ill-defined

Published on 14 Apr 2026 - 5:13

158

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Convergence in $L^p(0,T;L^q(\Omega))$

Published on 10 May 2026 - 18:44

1.1k

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Proof of Second Partials Test

Published on 09 Apr 2026 - 21:37

745

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Proof of Hopf's Lemma

Published on 14 May 2026 - 17:42

267

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Weakening Sobolev coefficient in an elliptic estimate.

Published on 10 May 2026 - 23:34

204

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the geometry of level set of solution of elliptic PDE

Published on 12 Apr 2026 - 8:19

135

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Finding $w_{x_k x_l}$, given $w := \sum_{i,j=1}^n a^{ij} v_{x_i} v_{x_j}$

Published on 15 Apr 2026 - 8:34

212

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Cauchy Problem and Region of Validity

Published on 12 Apr 2026 - 11:05

40

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Finding $k$ provided $F(x/y,z/x)=0$

Published on 15 Apr 2026 - 15:04

1.3k

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Solution of eikonal equation is locally the distance from a hypersurface, up to a constant

Published on 11 Apr 2026 - 11:08

3k

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Eigenvalues of symmetric elliptic operators

Published on 10 Apr 2026 - 6:02

645

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Non-homogeneous Burgers' equation $u_t + u u_x = -\sin x$

Published on 11 May 2026 - 5:27

List Question

quasilinear partial differential equation

Linear algebra - as applied to the weak maximum principle

solving a simple inverse problem related to elliptic pde

Products of distributions ill-defined

Convergence in $L^p(0,T;L^q(\Omega))$

Proof of Second Partials Test

Proof of Hopf's Lemma

Weakening Sobolev coefficient in an elliptic estimate.

the geometry of level set of solution of elliptic PDE

Finding $w_{x_k x_l}$, given $w := \sum_{i,j=1}^n a^{ij} v_{x_i} v_{x_j}$

Cauchy Problem and Region of Validity

Finding $k$ provided $F(x/y,z/x)=0$

Solution of eikonal equation is locally the distance from a hypersurface, up to a constant

Eigenvalues of symmetric elliptic operators

Non-homogeneous Burgers' equation $u_t + u u_x = -\sin x$

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