List questions from differential-operators

Published on 23 Mar 2026 - 12:50

1k

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Raising and Lowering Through Differentiation

Published on 23 Mar 2026 - 4:53

63

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Is there a name for the differential operator $\nabla\otimes$

Published on 23 Feb 2026 - 7:06

107

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Is $\int \frac{{dx}^2}{dy}$ valid?

Published on 13 Oct 2019 - 1:54

23

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$ w\in(\textrm{ker}(\tilde{L}))^\perp~\Longleftrightarrow~w\in(\textrm{ker}(L))^\perp $?

Published on 17 Oct 2019 - 20:42

309

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Derive squared angular momentum operator in spherical coordinates easily

Published on 24 Oct 2019 - 16:59

38

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Differential operators of a principle G-bundle

Published on 29 Oct 2019 - 17:48

148

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Are there any applications of the "imaginary derivative" $D^i$ operator?

Published on 17 Nov 2019 - 20:07

106

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Why is $\left(\frac{\partial}{\partial x_i}\right)f = \left(\frac{\partial f}{\partial x_i}\right)$

Published on 15 Dec 2019 - 12:08

158

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What are the main properties of eigenvalues of normal unbounded operators?

Published on 17 Dec 2019 - 16:39

194

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Why is this resolvent trace-class?

Published on 17 Dec 2019 - 23:20

47

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Eigenvalues and eigenspaces of differential operator on finitely generated vector space

Published on 28 Dec 2019 - 18:26

406

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How can I show the symmetry of an operator?

Published on 03 Jan 2020 - 12:02

316

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How to verify the following function is an eigen-function of the given operator

Published on 16 Jan 2020 - 14:04

42

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nabla operator: is it standard?

Published on 17 Jan 2020 - 19:38

List Question

The resolvent of a differentation operator on $C[a,b]$

Raising and Lowering Through Differentiation

Is there a name for the differential operator $\nabla\otimes$

Is $\int \frac{{dx}^2}{dy}$ valid?

$ w\in(\textrm{ker}(\tilde{L}))^\perp~\Longleftrightarrow~w\in(\textrm{ker}(L))^\perp $?

Derive squared angular momentum operator in spherical coordinates easily

Differential operators of a principle G-bundle

Are there any applications of the "imaginary derivative" $D^i$ operator?

Why is $\left(\frac{\partial}{\partial x_i}\right)f = \left(\frac{\partial f}{\partial x_i}\right)$

What are the main properties of eigenvalues of normal unbounded operators?

Why is this resolvent trace-class?

Eigenvalues and eigenspaces of differential operator on finitely generated vector space

How can I show the symmetry of an operator?

How to verify the following function is an eigen-function of the given operator

nabla operator: is it standard?

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