List questions from differential-operators

Published on 14 Mar 2026 - 10:46

206

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Differential Operator Issue

Published on 14 Mar 2026 - 7:53

50

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$Af=f'$, $D(A)=\{f\in C^1[0,1]: \text{$f$ vanish near $0$}\}$. Show that $A$ is not closed.

Published on 25 Mar 2026 - 13:57

35

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Linear Differential Operators

Published on 14 Mar 2026 - 8:35

3.2k

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How to compute one-parameter group and corresponding vector fields

Published on 25 Mar 2026 - 9:46

71

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Treating the derivative as a linear operator for a system modeled by a differential equation?

Published on 25 Mar 2026 - 16:00

101

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Is Reduced Eta Invariant a Topological Invariant

Published on 14 Mar 2026 - 15:50

49

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How to find a Green function of a "nearly" transport operator.

Published on 14 Mar 2026 - 13:09

50

Views

Sequence of Derivative Operators

Published on 14 Mar 2026 - 7:35

362

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How is a section of $Hom(E,F)$ an example of a differential operator?

Published on 14 Mar 2026 - 8:26

57

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Determining f, s.t. $x^2\cdot f=0$

Published on 14 Mar 2026 - 14:42

960

Views

Del operator in one-dimensional domain.

Published on 13 Mar 2026 - 17:24

4k

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Laplacian as a bounded operator on $H^1_0$

Published on 25 Mar 2026 - 15:46

549

Views

Inverse of an unbounded operator

Published on 25 Mar 2026 - 15:40

104

Views

If $L$ is elliptic, is $\partial_t - L$ hypoelliptic?

Published on 25 Mar 2026 - 14:39

List Question

Rotation of an exponential operator acting in Hilbert space? Interpretation in a certain subspace.

Differential Operator Issue

$Af=f'$, $D(A)=\{f\in C^1[0,1]: \text{$f$ vanish near $0$}\}$. Show that $A$ is not closed.

Linear Differential Operators

How to compute one-parameter group and corresponding vector fields

Treating the derivative as a linear operator for a system modeled by a differential equation?

Is Reduced Eta Invariant a Topological Invariant

How to find a Green function of a "nearly" transport operator.

Sequence of Derivative Operators

How is a section of $Hom(E,F)$ an example of a differential operator?

Determining f, s.t. $x^2\cdot f=0$

Del operator in one-dimensional domain.

Laplacian as a bounded operator on $H^1_0$

Inverse of an unbounded operator

If $L$ is elliptic, is $\partial_t - L$ hypoelliptic?

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