List questions from laplacian

Published on 06 Dec 2020 - 16:13

57

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Can you compute Laplacian, divergence, curl for a function?

Published on 23 Feb 2026 - 16:49

34

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Suppose that there exists $(a,b) \in S$ such that $f(x,y) \leq f(a,b)$ on $S$, then show that $(\Delta f) (a,b) \leq 0$

Published on 09 Dec 2020 - 13:23

27

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2D Kuramoto-Sivashinski equation written in components

Published on 16 Dec 2020 - 21:31

55

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Spectral analysis of a $d$-regular graph

Published on 27 Mar 2026 - 23:40

36

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Does $\{ e^{2\pi i (n+\alpha) x}\}_{n=1}^\infty$ form a basis for $L^2[0,1]$?

Published on 23 Dec 2020 - 14:29

364

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Symmetry of Laplace operator

Published on 29 Mar 2026 - 1:35

394

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derivative of the laplacian operator

Published on 25 Dec 2020 - 21:07

148

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Conceptual Question About the Nature of PDE Boundary Conditions

Published on 30 Mar 2026 - 8:16

58

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Characterization of the image of the Laplacian

Published on 27 Dec 2020 - 19:35

186

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Milnor's example for hearing the shape of drums

Published on 29 Mar 2026 - 17:27

731

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Is this Laplace BVP well posed? If not, why?

Published on 28 Dec 2020 - 15:04

164

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Fourier transform of Green's Function of Laplacian $-\frac{1}{4 \pi |x|}$

Published on 29 Mar 2026 - 3:35

90

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Estimates for partial derivatives of harmonic functions

Published on 02 Jan 2021 - 16:45

49

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Lifting Laplacian Eigenfunctions

Published on 06 Jan 2021 - 13:42

List Question

Intuitition for the vector Laplacian and the vector Laplace's equation

Can you compute Laplacian, divergence, curl for a function?

Suppose that there exists $(a,b) \in S$ such that $f(x,y) \leq f(a,b)$ on $S$, then show that $(\Delta f) (a,b) \leq 0$

2D Kuramoto-Sivashinski equation written in components

Spectral analysis of a $d$-regular graph

Does $\{ e^{2\pi i (n+\alpha) x}\}_{n=1}^\infty$ form a basis for $L^2[0,1]$?

Symmetry of Laplace operator

derivative of the laplacian operator

Conceptual Question About the Nature of PDE Boundary Conditions

Characterization of the image of the Laplacian

Milnor's example for hearing the shape of drums

Is this Laplace BVP well posed? If not, why?

Fourier transform of Green's Function of Laplacian $-\frac{1}{4 \pi |x|}$

Estimates for partial derivatives of harmonic functions

Lifting Laplacian Eigenfunctions

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