List questions from adjoint-operators

Published on 25 Jul 2018 - 13:19

61

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Binding eigenvalue properties with normal operators

Published on 30 Jul 2018 - 12:20

495

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Positive and negative parts of an unbounded self-adjoint operator

Published on 31 Jul 2018 - 10:33

113

Views

Boson operator algebra - unitary transformation

Published on 25 Mar 2026 - 6:08

791

Views

If $T:H \rightarrow H$ is a bounded, self adjoint linear operator and $T\neq 0$ then $T^n\neq 0$

Published on 01 Aug 2018 - 18:16

39

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Definition of the adjoint of a linear application

Published on 05 Aug 2018 - 17:28

83

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Is $T^{\prime\prime}$ injective for injective $T\in\mathfrak{L}(E,F)$?

Published on 15 Aug 2018 - 19:09

89

Views

Star operator, exterior product

Published on 25 Mar 2026 - 21:00

260

Views

$F \circ G$ self-adjoint $\iff F \circ G = G \circ F$

Published on 20 Aug 2018 - 20:10

161

Views

Common Eigenvectors for commuting unbounded Operators

Published on 22 Aug 2018 - 0:07

278

Views

Straightforward derivation leads to a more general Sturm-Liouville operator than expected

Published on 22 Aug 2018 - 14:15

246

Views

Express in terms of $E$ a self-adjoint operator $T$ such that $T^2 = I+E$

Published on 20 Mar 2026 - 4:33

72

Views

Showing $\langle Ku,v\rangle=\langle u,K^*v\rangle$ for a Fredholm Operator $K$

Published on 05 Sep 2018 - 1:52

256

Views

Adjoint relation: transpose or conjugate transpose?

Published on 20 Mar 2026 - 4:31

45

Views

Determining the adjoint of $S(\sum_{i=1}^n \alpha_i e_i) = \alpha_2 e_1 - \alpha_1 e_2$.

Published on 11 Sep 2018 - 2:01

List Question

Question on the adjoint of a function

Binding eigenvalue properties with normal operators

Positive and negative parts of an unbounded self-adjoint operator

Boson operator algebra - unitary transformation

If $T:H \rightarrow H$ is a bounded, self adjoint linear operator and $T\neq 0$ then $T^n\neq 0$

Definition of the adjoint of a linear application

Is $T^{\prime\prime}$ injective for injective $T\in\mathfrak{L}(E,F)$?

Star operator, exterior product

$F \circ G$ self-adjoint $\iff F \circ G = G \circ F$

Common Eigenvectors for commuting unbounded Operators

Straightforward derivation leads to a more general Sturm-Liouville operator than expected

Express in terms of $E$ a self-adjoint operator $T$ such that $T^2 = I+E$

Showing $\langle Ku,v\rangle=\langle u,K^*v\rangle$ for a Fredholm Operator $K$

Adjoint relation: transpose or conjugate transpose?

Determining the adjoint of $S(\sum_{i=1}^n \alpha_i e_i) = \alpha_2 e_1 - \alpha_1 e_2$.

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