List questions from adjoint-operators

Published on 22 Mar 2026 - 19:44

431

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Adjoint of projection onto direct sum of Hilbert spaces

Published on 25 Mar 2026 - 17:21

1.1k

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Why does dim Range T* = dim Range T?

Published on 22 Mar 2026 - 15:21

56

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Calculating $T^*T$ when $T$ have direct sum codomain

Published on 22 Mar 2026 - 17:23

499

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Adjoint of the diagonal operator

Published on 24 Mar 2026 - 22:08

3k

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adjoint operator of convolution operator

Published on 25 Mar 2026 - 7:40

76

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Question about the norm of a bounded linear operator and its product with its adjoint.

Published on 28 Mar 2018 - 7:07

280

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Determinant's properties and self adjoint operator

Published on 22 Mar 2026 - 18:24

68

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If $\Phi$ is bounded from $\mathcal RQ^{1/2}$ to $H$, are we able to show that $Q^{1/2}\Phi^\ast=(\Phi Q^{1/2})^\ast$?

Published on 28 Mar 2018 - 17:06

43

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For two closed operators $A,B$, can we say that $P_i\uparrow 1$ and $(A-B)P_i =0$ implies $A-B$?

Published on 25 Mar 2026 - 1:38

52

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How does adjoint operator show up in FOIL’ing an inner product?

Published on 25 Mar 2026 - 0:06

38

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Prove or disprove that $g\in L(V,V)$ exists with $f=g\circ g^{ad}$.

Published on 24 Mar 2026 - 20:33

121

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Adjoints : the mysterious linear operator!

Published on 22 Mar 2026 - 8:02

142

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Symmetric operator : Is it $(\overline{T})^{}= \overline{T^{}}$ true?

Published on 25 Mar 2026 - 3:19

254

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Eigenvectors of self-adjoint operators on a Hilbert space.

Published on 08 Apr 2018 - 23:10

List Question

General Cauchy-Schwarz for adjoint positive operators

Adjoint of projection onto direct sum of Hilbert spaces

Why does dim Range T* = dim Range T?

Calculating $T^*T$ when $T$ have direct sum codomain

Adjoint of the diagonal operator

adjoint operator of convolution operator

Question about the norm of a bounded linear operator and its product with its adjoint.

Determinant's properties and self adjoint operator

If $\Phi$ is bounded from $\mathcal RQ^{1/2}$ to $H$, are we able to show that $Q^{1/2}\Phi^\ast=(\Phi Q^{1/2})^\ast$?

For two closed operators $A,B$, can we say that $P_i\uparrow 1$ and $(A-B)P_i =0$ implies $A-B$?

How does adjoint operator show up in FOIL’ing an inner product?

Prove or disprove that $g\in L(V,V)$ exists with $f=g\circ g^{ad}$.

Adjoints : the mysterious linear operator!

Symmetric operator : Is it $(\overline{T})^{}= \overline{T^{}}$ true?

Eigenvectors of self-adjoint operators on a Hilbert space.

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