List questions from differential-operators

229

Views

show that $-(\vec{r} \cdot \nabla)^2\psi = -r^2\frac{\partial^2\psi}{\partial r^2} -2r\frac{\partial\psi}{\partial r}$

Published on 19 Jan 2021 - 0:47

681

Views

A solution for $\nabla^2\psi = k\lvert\nabla\phi\lvert^2$ with $\nabla^2\phi = 0$

Published on 19 Jan 2021 - 20:49

106

Views

Arguments to show that $\lim_{\iiint d\tau\to 0}\frac{\iint d\vec{\sigma}\times\vec{V}}{\iiint d\tau}=\nabla\times\vec{V}$

Published on 27 Mar 2026 - 0:10

66

Views

Determine if the given function is a linear operator

Published on 22 Jan 2021 - 1:55

201

Views

Why are we treating du/dx as a fraction?

Published on 22 Jan 2021 - 3:02

49

Views

Inconsistent notation fro Del-Operator

Published on 27 Mar 2026 - 0:01

122

Views

Extending the Spectral Theorem of Unbounded Self-Adjoint Operators on Infinite-Dimensional Hilbert Spaces

Published on 26 Mar 2026 - 19:02

121

Views

Explicit expression of the operator $d^*d$ on 1-forms

Published on 27 Jan 2021 - 18:27

271

Views

Differential operator; its algebraic manipulation in deriving the Laplacian ($\nabla ^2$) formula for polar coordinates

Published on 31 Jan 2021 - 10:45

122

Views

Loewy decomposition of differential operators

Published on 25 Mar 2026 - 15:46

78

Views

Good filtrations on $A_n(K)$ modules

Published on 25 Mar 2026 - 9:24

247

Views

Existence of a cut-off function

Published on 05 Mar 2021 - 13:44

49

Views

Can the del operator be "separated" like this?

Published on 07 Mar 2021 - 11:39

83

Views

Eigenvalues and eigenvectors for time-periodic differential operator

Published on 19 Mar 2021 - 18:06

379

Views

A possible error in Villani's monograph “Hypocoercivity”

Published on 20 Mar 2021 - 5:53

List Question

show that $-(\vec{r} \cdot \nabla)^2\psi = -r^2\frac{\partial^2\psi}{\partial r^2} -2r\frac{\partial\psi}{\partial r}$

A solution for $\nabla^2\psi = k\lvert\nabla\phi\lvert^2$ with $\nabla^2\phi = 0$

Arguments to show that $\lim_{\iiint d\tau\to 0}\frac{\iint d\vec{\sigma}\times\vec{V}}{\iiint d\tau}=\nabla\times\vec{V}$

Determine if the given function is a linear operator

Why are we treating du/dx as a fraction?

Inconsistent notation fro Del-Operator

Extending the Spectral Theorem of Unbounded Self-Adjoint Operators on Infinite-Dimensional Hilbert Spaces

Explicit expression of the operator $d^*d$ on 1-forms

Differential operator; its algebraic manipulation in deriving the Laplacian ($\nabla ^2$) formula for polar coordinates

Loewy decomposition of differential operators

Good filtrations on $A_n(K)$ modules

Existence of a cut-off function

Can the del operator be "separated" like this?

Eigenvalues and eigenvectors for time-periodic differential operator

A possible error in Villani's monograph “Hypocoercivity”

Trending Questions

Popular # Hahtags

Popular Questions