List questions from adjoint-operators

Published on 12 Apr 2026 - 23:53

64

Views

Binding eigenvalue properties with normal operators

Published on 14 Apr 2026 - 2:26

498

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Positive and negative parts of an unbounded self-adjoint operator

Published on 09 Apr 2026 - 18:48

116

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Boson operator algebra - unitary transformation

Published on 10 May 2026 - 16:10

794

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

Published on 13 Apr 2026 - 14:34

42

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Definition of the adjoint of a linear application

Published on 14 Apr 2026 - 1:53

86

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

Published on 14 Apr 2026 - 1:28

95

Views

Star operator, exterior product

Published on 10 May 2026 - 13:24

263

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

Published on 16 Apr 2026 - 20:56

164

Views

Common Eigenvectors for commuting unbounded Operators

Published on 11 Apr 2026 - 13:44

281

Views

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

Published on 14 Apr 2026 - 9:09

253

Views

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

Published on 07 May 2026 - 10:18

75

Views

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

Published on 14 Apr 2026 - 12:42

262

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Adjoint relation: transpose or conjugate transpose?

Published on 06 May 2026 - 9:24

47

Views

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

Published on 16 Apr 2026 - 10:14

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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