List questions from adjoint-operators

Published on 11 Apr 2026 - 21:40

67

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Adjoint of T $\in B(\ell^{2})$

Published on 16 Apr 2026 - 14:24

156

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Are these two definitions of adjoint identical to each other?

Published on 12 Apr 2026 - 22:20

749

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norm of positive semi-definite complex matrix

Published on 12 Apr 2026 - 6:01

196

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Adjoint of operators with dense range

Published on 10 May 2026 - 20:33

76

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$U$ invertible and $U^{\ast}U=1$ then $UU^{\ast}=1$ (Barry Simon)

Published on 15 Apr 2026 - 14:21

493

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Property of a partial isometry on a Hilbert space

Published on 12 Apr 2026 - 2:45

631

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Operator bounded then adjoint is bounded

Published on 09 Apr 2026 - 18:45

1.5k

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$T^{\ast}T$ unitary then $T$ isometry

Published on 13 Apr 2026 - 13:06

4.2k

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Find adjoint of a linear transformation

Published on 13 Apr 2026 - 8:09

3.3k

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Definition of Adjoint Operator for Quantum Mechanics

Published on 09 Apr 2026 - 19:54

51

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Determining Adjoint Operator

Published on 09 Apr 2026 - 5:26

37

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Find $ T^*\left( \begin{smallmatrix} a&b\\ c&d\end{smallmatrix} \right)$

Published on 15 Apr 2026 - 9:13

5.4k

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How do I prove that the angular momentum is a Hermitian operator?

Published on 10 May 2026 - 14:04

287

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Given $T$ an idempotent operator, why $R(T)=R(T^)\implies T=T^$?

Published on 13 Apr 2026 - 16:15

List Question

About the adjoint of the Bergman projection.

Adjoint of T $\in B(\ell^{2})$

Are these two definitions of adjoint identical to each other?

norm of positive semi-definite complex matrix

Adjoint of operators with dense range

$U$ invertible and $U^{\ast}U=1$ then $UU^{\ast}=1$ (Barry Simon)

Property of a partial isometry on a Hilbert space

Operator bounded then adjoint is bounded

$T^{\ast}T$ unitary then $T$ isometry

Find adjoint of a linear transformation

Definition of Adjoint Operator for Quantum Mechanics

Determining Adjoint Operator

Find $ T^*\left( \begin{smallmatrix} a&b\\ c&d\end{smallmatrix} \right)$

How do I prove that the angular momentum is a Hermitian operator?

Given $T$ an idempotent operator, why $R(T)=R(T^)\implies T=T^$?

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