List questions from laplacian | MathQA

Functions that commute with the Laplacian

Published on 24 Dec 2022 - 17:23

laplacian of $\ln$ in 2-D

Published on 27 Dec 2022 - 6:23

Eigenfunction cannot have vanishing gradient along the boundary

Published on 28 Mar 2026 - 12:38

Book reference for heat kernels on Riemannian geometry

Published on 31 Dec 2022 - 6:22

Laplace equation on a circular domain, has my lecturer made a mistake?

Published on 01 Jan 2023 - 18:52

Understanding the definition of the $p-$Laplacian

Published on 02 Jan 2023 - 8:03

Physical interpretation of $-\Delta u = \lambda u$ on $\Omega$ with boundary conditions $u|_{\partial \Omega} = 0$

Published on 29 Mar 2026 - 3:53

Polar Laplace equation on half disk: Neumann on flat surface and Dirichlet on the circle

Published on 06 Jan 2023 - 14:44

How to bypass singularity point at $r = 0$ using Maclaurin's expansion for this symmetric problem?

Published on 30 Mar 2026 - 11:31

Is the $n/2$-th heat kernel coefficient topological?

Published on 18 Jan 2023 - 14:11

Why are the Dirichlet eigenfunctions smooth

Published on 29 Mar 2026 - 5:34