List questions from differential-operators | MathQA

How to inverse a gradient?

Published on 24 Oct 2022 - 11:53

Commutator estimates between a contraction evolution group and a differential operator

Published on 27 Mar 2026 - 14:50

Pulling out a distribution ? $u\circ f$?

Published on 14 Nov 2022 - 0:19

What is a bidifferential operator?

Published on 01 Dec 2022 - 16:29

The operator $(Xf)(x)=-if'(x)$ has Fourier series as eigenfunctions. Which operator $ (Af)(x)=??$ has the Taylor series as its eigenfunctions?

Published on 13 Dec 2022 - 13:28

Math on operators in differential equations.

Published on 29 Dec 2022 - 9:54

Time derivative of the commutator of two operators $P,L$

Published on 05 Jan 2023 - 0:46

Concerning a proof that the Sturm-Liouville operator have bounded below eigenvalues

Published on 07 Jan 2023 - 20:06

Differential operators question

Published on 25 Mar 2026 - 14:18

Maximal domain of unbounded linear differential operator

Published on 26 Mar 2026 - 4:52