List questions from laplacian

Published on 22 Mar 2026 - 3:03

163

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Restrictions on Laplacian eigenvalues in 1 dimension

Published on 05 Jun 2018 - 20:52

2.6k

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Removable singularity for harmonic functions

Published on 06 Jun 2018 - 6:58

998

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Are spherical harmonics harmonic?

Published on 13 Jun 2018 - 22:11

262

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A question about orthogonal functions and Laplace's equation

Published on 13 Jun 2018 - 22:32

53

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Scale-dependent isoperimetric inequalities (e.g. with heat kernel?)

Published on 14 Jun 2018 - 1:59

258

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Poincaré's inequality on manifolds

Published on 17 Jun 2018 - 16:15

45

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Cylindrical Operator

Published on 23 Mar 2026 - 9:42

453

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Difference between $\Delta_g \phi$ and $\Delta \phi ~$?

Published on 29 Jun 2018 - 10:13

388

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How to find eigenvalues and eigenfunctions of simple-looking differential operator

Published on 03 Jul 2018 - 21:14

51

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Decomposition of Schroedinger operator to left and right hand sides

Published on 06 Jul 2018 - 12:14

115

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$\int_V \left( g\nabla^2f-f \nabla^2g \right) dV=\int_S \left( g\nabla f-f \nabla g \right) \cdot u_n \, dS$ not depend on time

Published on 22 Mar 2026 - 10:24

107

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Given function $f$ find directional derivative of $\lVert \nabla f \rVert$ in direction given by $\nabla f$

Published on 24 Jul 2018 - 8:38

188

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PDE: BVP of Laplace equation on $\mathbb{R}\times [0,+\infty)$

Published on 24 Jul 2018 - 13:43

597

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What is Laplace transform of $\frac{e^{-t}}t \sin3t\sin2t$

Published on 29 Jul 2018 - 17:07

List Question

Laplacian on minimal surface

Restrictions on Laplacian eigenvalues in 1 dimension

Removable singularity for harmonic functions

Are spherical harmonics harmonic?

A question about orthogonal functions and Laplace's equation

Scale-dependent isoperimetric inequalities (e.g. with heat kernel?)

Poincaré's inequality on manifolds

Cylindrical Operator

Difference between $\Delta_g \phi$ and $\Delta \phi ~$?

How to find eigenvalues and eigenfunctions of simple-looking differential operator

Decomposition of Schroedinger operator to left and right hand sides

$\int_V \left( g\nabla^2f-f \nabla^2g \right) dV=\int_S \left( g\nabla f-f \nabla g \right) \cdot u_n \, dS$ not depend on time

Given function $f$ find directional derivative of $\lVert \nabla f \rVert$ in direction given by $\nabla f$

PDE: BVP of Laplace equation on $\mathbb{R}\times [0,+\infty)$

What is Laplace transform of $\frac{e^{-t}}t \sin3t\sin2t$

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