List questions from adjoint-operators

Published on 06 Jul 2015 - 22:14

585

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Give an example of a non-self-adjoint operator on a Hilbert space $H$ whose range is $H$ and which is not invertible.

Published on 09 Jul 2015 - 2:04

68

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how to find inverse of a matrix

Published on 17 Jul 2015 - 9:46

105

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Coadjoint action $\operatorname{Ad}^*_\phi(h)$ respects coproduct $\Delta$?

Published on 26 Mar 2026 - 11:00

147

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Two "adjunct" (quasi-inverse) functions

Published on 23 Jul 2015 - 0:14

271

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Why is $T$ normal and idempotent?

Published on 26 Mar 2026 - 18:49

37

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In what condition we have $(K^{-1})^\ast = (K^\ast)^{-1}$?

Published on 30 Jul 2015 - 18:02

329

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Adjoint of $\lambda I - T$

Published on 06 Aug 2015 - 21:22

76

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How to find T* if the product inner space is not explicitly

Published on 20 Aug 2015 - 7:11

432

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The existence of adjoint operation on Banach space

Published on 22 Aug 2015 - 21:27

1k

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Linear map is diagonalizable iff its adjoint is diagonalizable

Published on 26 Aug 2015 - 21:33

94

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Do I have the correct mental map for adjoint operators for inner product spaces?

Published on 26 Aug 2015 - 23:47

973

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$\operatorname{Im} A = (\operatorname{ker} A^*)^\perp$

Published on 03 Sep 2015 - 1:33

73

Views

Some claims about spectra

Published on 21 Sep 2015 - 23:43

217

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To prove norm on adjoint Banach space?

Published on 22 Sep 2015 - 13:05

List Question

How to prove this is a self-adjoint operator?

Give an example of a non-self-adjoint operator on a Hilbert space $H$ whose range is $H$ and which is not invertible.

how to find inverse of a matrix

Coadjoint action $\operatorname{Ad}^*_\phi(h)$ respects coproduct $\Delta$?

Two "adjunct" (quasi-inverse) functions

Why is $T$ normal and idempotent?

In what condition we have $(K^{-1})^\ast = (K^\ast)^{-1}$?

Adjoint of $\lambda I - T$

How to find T* if the product inner space is not explicitly

The existence of adjoint operation on Banach space

Linear map is diagonalizable iff its adjoint is diagonalizable

Do I have the correct mental map for adjoint operators for inner product spaces?

$\operatorname{Im} A = (\operatorname{ker} A^*)^\perp$

Some claims about spectra

To prove norm on adjoint Banach space?

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