List questions from unbounded-operators

Published on 04 Aug 2016 - 8:35

751

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Spectrum of an unbounded operator $A$

Published on 20 Aug 2016 - 13:24

271

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$L$ is an elliptic operator?

Published on 19 Sep 2016 - 12:37

39

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Ellipticity of an unbounded operator $L$

Published on 21 Sep 2016 - 9:21

265

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Stochastic integral is a bounded operator?

Published on 17 Oct 2016 - 15:13

99

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Determine a bounded linear operator.

Published on 21 Oct 2016 - 2:28

873

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Norm of an multiplication operator

Published on 08 Nov 2016 - 10:00

1.3k

Views

Closed linear operators have closed kernels

Published on 28 Nov 2016 - 17:28

36

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Function on $l^{\infty}$ that assigns sum to elements of $l^1$

Published on 28 Nov 2016 - 23:11

79

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Showing that we can write $E_{\lambda}=I-E^{+}_{\lambda}$.

Published on 24 Dec 2016 - 0:01

136

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Effective strategy for determining the adjoint of an unbounded operator?

Published on 07 Jan 2017 - 16:59

2.5k

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Show that the inverse of the Laplacian is compact

Published on 07 Jan 2017 - 20:30

49

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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 13 Mar 2026 - 16:46

1.4k

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Restriction of self-adjoint operator self-adjoint?

Published on 31 Jan 2017 - 17:34

478

Views

Inverse of a square root operator.

Published on 15 Feb 2017 - 3:46

List Question

"convergence" of unbounded operators on Fock space

Spectrum of an unbounded operator $A$

$L$ is an elliptic operator?

Ellipticity of an unbounded operator $L$

Stochastic integral is a bounded operator?

Determine a bounded linear operator.

Norm of an multiplication operator

Closed linear operators have closed kernels

Function on $l^{\infty}$ that assigns sum to elements of $l^1$

Showing that we can write $E_{\lambda}=I-E^{+}_{\lambda}$.

Effective strategy for determining the adjoint of an unbounded operator?

Show that the inverse of the Laplacian is compact

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

Restriction of self-adjoint operator self-adjoint?

Inverse of a square root operator.

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