List questions from unbounded-operators

Published on 14 Mar 2024 - 14:53

23

Views

Product of a Hilbert-Schmidt operator and a Kato perturbation of a self-adjoint operator

Published on 20 Mar 2024 - 12:28

188

Views

Pointwise approximation of a closed operator

Published on 10 Jan 2015 - 16:51

684

Views

Does every closed, densely defined operator in a Banach space have a closed, densely defined extension on a Hilbert space?

Published on 20 Jan 2015 - 22:06

179

Views

An unbounded operator is closed if and only if its kernel is closed?

Published on 02 Oct 2015 - 18:20

1.7k

Views

Baker Campbell Hausdorff formula for unbounded operators

Published on 08 Oct 2015 - 11:19

151

Views

Approximating an element in the domain of an unbounded operator by a sequence in a dense subset of the domain.

Published on 14 Mar 2026 - 19:37

277

Views

Is the graph of a densely defined and closed unbounded linear operator a convex set?

Published on 08 Nov 2015 - 13:58

579

Views

Prove that a sequence is bounded/unbounded

Published on 16 Mar 2026 - 15:56

656

Views

Closure of a differential operator

Published on 05 Dec 2015 - 16:46

233

Views

Eigenvalues of an integral operator

Published on 07 Dec 2015 - 6:50

314

Views

Unbounded operators: product of adjoints strictly extended by the adjoint of product

Published on 22 Dec 2015 - 21:06

233

Views

a proof about closable operator

Published on 02 Jan 2016 - 8:17

407

Views

Unbounded Linear operator in a closed domain

Published on 23 Mar 2026 - 23:31

483

Views

Image of a dense set through unbounded operator

Published on 29 Jan 2016 - 17:26

List Question

Inequality for spectral families of self-adjoint operators

Product of a Hilbert-Schmidt operator and a Kato perturbation of a self-adjoint operator

Pointwise approximation of a closed operator

Does every closed, densely defined operator in a Banach space have a closed, densely defined extension on a Hilbert space?

An unbounded operator is closed if and only if its kernel is closed?

Baker Campbell Hausdorff formula for unbounded operators

Approximating an element in the domain of an unbounded operator by a sequence in a dense subset of the domain.

Is the graph of a densely defined and closed unbounded linear operator a convex set?

Prove that a sequence is bounded/unbounded

Closure of a differential operator

Eigenvalues of an integral operator

Unbounded operators: product of adjoints strictly extended by the adjoint of product

a proof about closable operator

Unbounded Linear operator in a closed domain

Image of a dense set through unbounded operator

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