Question

Polar Brownian motion not recovering polar Laplacian?

score 504 · Answer 1 · 2026-05-05 10:07:53

504

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Polar Brownian motion not recovering polar Laplacian?

Published on 05 May 2026 - 10:07

score 97 · Answer 2 · 2026-05-05 12:36:08

97

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Trivial demonstration. $\nabla J(r,t)=\frac{\hbar}{im}\nabla\psi^{*}\nabla\psi+\frac{\hbar}{im}\psi\nabla^2\psi$

Published on 05 May 2026 - 12:36

score 136 · Answer 3 · 2026-05-07 20:13:42

136

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Bochner nonnegativity theorem for Laplace-Beltrami eigenfunctions?

Published on 07 May 2026 - 20:13

score 136 · Answer 4 · 2026-04-29 12:23:59

136

Views

Physicists construct their potentials starting from the Laplace equation, why they do not use another differential operator, like theta Θ?

Published on 29 Apr 2026 - 12:23

score 777 · Answer 5 · 2026-04-29 12:24:03

777

Views

Integral of the Laplacian of a function that is constant on the sphere

Published on 29 Apr 2026 - 12:24

score 341 · Answer 6 · 2026-05-02 20:01:30

341

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Trying to show 9 point laplacian equivalence

Published on 02 May 2026 - 20:01

score 1.5k · Answer 7 · 2026-04-29 12:24:19

1.5k

Views

Does the laplacian operator work on time as well as spacial variables?

Published on 29 Apr 2026 - 12:24

score 271 · Answer 8 · 2026-05-07 09:42:38

271

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Find the Green's function $G(\mathbf{x},\xi)$, such that $\nabla^2G = \delta(\mathbf{x}-\xi)$

Published on 07 May 2026 - 9:42

score 250 · Answer 9 · 2026-04-29 12:24:26

250

Views

Laplace-Beltrami operator in $\mathbb{R}^m$

Published on 29 Apr 2026 - 12:24

score 1.4k · Answer 10 · 2026-05-02 18:30:37

1.4k

Views

demonstration of vector laplacian in cartesian coordinates

Published on 02 May 2026 - 18:30

score 355 · Answer 11 · 2026-04-29 12:24:15

355

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Deriving laplacian in spherical coordinates using matrix operations

Published on 29 Apr 2026 - 12:24

score 847 · Answer 12 · 2026-04-29 12:24:45

847

Views

Intuition for the laplacian equation

Published on 29 Apr 2026 - 12:24

score 69 · Answer 13 · 2026-04-29 12:25:12

69

Views

How to compute Laplacian of $f(x) = |x|^{2-n}$?

Published on 29 Apr 2026 - 12:25

score 237 · Answer 14 · 2026-04-29 12:24:47

237

Views

I don't understand completely partial derivatives

Published on 29 Apr 2026 - 12:24

score 714 · Answer 15 · 2026-04-29 12:25:01

714

Views

Delta function of form: $\frac 1 {4π} \nabla ^2 \frac 1 {\lvert r - {r'} \rvert}$

Published on 29 Apr 2026 - 12:25

List Question

Polar Brownian motion not recovering polar Laplacian?

Trivial demonstration. $\nabla J(r,t)=\frac{\hbar}{im}\nabla\psi^{*}\nabla\psi+\frac{\hbar}{im}\psi\nabla^2\psi$

Bochner nonnegativity theorem for Laplace-Beltrami eigenfunctions?

Physicists construct their potentials starting from the Laplace equation, why they do not use another differential operator, like theta Θ?

Integral of the Laplacian of a function that is constant on the sphere

Trying to show 9 point laplacian equivalence

Does the laplacian operator work on time as well as spacial variables?

Find the Green's function $G(\mathbf{x},\xi)$, such that $\nabla^2G = \delta(\mathbf{x}-\xi)$

Laplace-Beltrami operator in $\mathbb{R}^m$

demonstration of vector laplacian in cartesian coordinates

Deriving laplacian in spherical coordinates using matrix operations

Intuition for the laplacian equation

How to compute Laplacian of $f(x) = |x|^{2-n}$?

I don't understand completely partial derivatives

Delta function of form: $\frac 1 {4π} \nabla ^2 \frac 1 {\lvert r - {r'} \rvert}$

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