List questions from linear-pde

Published on 27 Mar 2026 - 10:08

216

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Robust numerical solution to linear first order PDE

Published on 27 Mar 2026 - 17:05

245

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Dirichlet Laplace Operator and its Inverse

Published on 23 Mar 2021 - 19:23

383

Views

Simpler proof of the Lax-Milgram Theorem if A is symmetric

Published on 26 Mar 2026 - 22:57

300

Views

Existence (non-)homogeneous solutions 1st-order linear PDE

Published on 30 Mar 2021 - 11:30

572

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Proper advection equation for non-conservative values in polar cylindrical coordinates.

Published on 25 Mar 2026 - 19:04

54

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Boundary conditions partial differential equations via theory of semigroups

Published on 03 Apr 2021 - 12:44

111

Views

Explicit computation of a norm in context of operator-semigroups and differential equations

Published on 03 Apr 2021 - 20:53

247

Views

Number of solutions of The Cauchy Problem $\begin{cases} 2u_x+3u_y=5\\u=1\ \text{on the line} \ 3x-2y=0\end{cases}$

Published on 26 Mar 2026 - 2:47

40

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How can we determine the long-time behavior of $u(t,x)=e^{at}u_0(bt+x)$?

Published on 23 Apr 2021 - 9:19

46

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PDE Method of Characteristics with -1 in the denominator of third term

Published on 27 Mar 2026 - 18:49

151

Views

Show that if $g \in \mathcal{D'}(\mathbb{R})$ satisfies $\frac{dg}{dx}=0$ then g is constant.

Published on 08 May 2021 - 0:48

199

Views

Parabolic linear PDE with non-homogenous Neumann boundary condition.

Published on 26 Mar 2026 - 23:09

262

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Is the maximum of two weak subsolutions still a weak subsolution?

Published on 14 May 2021 - 12:55

84

Views

Second-order linear elliptic PDE on $S^2\times S^2$

Published on 18 May 2021 - 18:38

List Question

A possible error in Villani's monograph “Hypocoercivity”

Robust numerical solution to linear first order PDE

Dirichlet Laplace Operator and its Inverse

Simpler proof of the Lax-Milgram Theorem if A is symmetric

Existence (non-)homogeneous solutions 1st-order linear PDE

Proper advection equation for non-conservative values in polar cylindrical coordinates.

Boundary conditions partial differential equations via theory of semigroups

Explicit computation of a norm in context of operator-semigroups and differential equations

Number of solutions of The Cauchy Problem $\begin{cases} 2u_x+3u_y=5\\u=1\ \text{on the line} \ 3x-2y=0\end{cases}$

How can we determine the long-time behavior of $u(t,x)=e^{at}u_0(bt+x)$?

PDE Method of Characteristics with -1 in the denominator of third term

Show that if $g \in \mathcal{D'}(\mathbb{R})$ satisfies $\frac{dg}{dx}=0$ then g is constant.

Parabolic linear PDE with non-homogenous Neumann boundary condition.

Is the maximum of two weak subsolutions still a weak subsolution?

Second-order linear elliptic PDE on $S^2\times S^2$

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