List questions from differential-operators

Published on 12 Nov 2018 - 12:20

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Is this differential operator Hermitian?

Published on 23 Mar 2026 - 10:18

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Asymptotic expansion of heat operator $e^{-\Delta{t}}$ and $e^{-\mathcal{D}t}$ of Dirac operator

Published on 23 Mar 2026 - 1:42

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"Natural" proof of $P\left(\frac{d}{dx}\right)\bigl(e^{xy}Q(x)\bigr)=Q\left(\frac{d}{dy}\right)\bigl(e^{xy}P(y)\bigr)$.

Published on 23 Mar 2026 - 13:13

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Exercise about the Sturm-Liouville problems

Published on 22 Mar 2026 - 22:39

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Definition of Differential operator

Published on 23 Mar 2026 - 15:38

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How to solve linear differential-difference equation?

Published on 23 Mar 2026 - 12:32

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Definition of the weight $k$ hyperbolic Laplacian

Published on 23 Mar 2026 - 8:31

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Proving 2nd ode

Published on 22 Mar 2026 - 19:29

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Computing a derivative through Lie series

Published on 23 Mar 2026 - 10:46

183

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Projective-invariant differential operator

Published on 22 Mar 2026 - 22:02

105

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Differential operator commuting with Euclidean transformations

Published on 23 Mar 2026 - 5:11

28

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Understanding Partial derivative - how they work in this example

Published on 23 Mar 2026 - 7:31

754

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Vector Fields as Differential Operators

Published on 23 Mar 2026 - 8:18

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Leibniz rule for exterior derivative of wedge product

Published on 18 Jan 2019 - 5:55

List Question

Generalized linear transport equation

Is this differential operator Hermitian?

Asymptotic expansion of heat operator $e^{-\Delta{t}}$ and $e^{-\mathcal{D}t}$ of Dirac operator

"Natural" proof of $P\left(\frac{d}{dx}\right)\bigl(e^{xy}Q(x)\bigr)=Q\left(\frac{d}{dy}\right)\bigl(e^{xy}P(y)\bigr)$.

Exercise about the Sturm-Liouville problems

Definition of Differential operator

How to solve linear differential-difference equation?

Definition of the weight $k$ hyperbolic Laplacian

Proving 2nd ode

Computing a derivative through Lie series

Projective-invariant differential operator

Differential operator commuting with Euclidean transformations

Understanding Partial derivative - how they work in this example

Vector Fields as Differential Operators

Leibniz rule for exterior derivative of wedge product

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