List questions from spectral-theory

Published on 18 Dec 2013 - 11:24

50

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Spectral radius as the inf of norms of conjugates

Published on 21 Dec 2013 - 19:46

2.9k

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Reason for Continuous Spectrum of Laplacian

Published on 24 Dec 2013 - 4:15

1k

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Relation of Hodge Theorem to Eigenfunction Basis of Laplacian

Published on 27 Mar 2026 - 4:57

16.5k

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Spectrum of shift-operator

Published on 24 Dec 2013 - 21:27

339

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Approximate point spectrum and left topological zero divisors

Published on 26 Dec 2013 - 13:50

133

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Sources on Inverse Spectral Theory

Published on 26 Mar 2026 - 6:05

183

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spectrum of operators

Published on 28 Dec 2013 - 20:42

397

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Why is this spectrum the closure?

Published on 30 Dec 2013 - 9:37

104

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$T\in B(H)$ normal and left invertible implies $T$ invertible?

Published on 02 Jan 2014 - 16:48

3k

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Singular value decomposition of an arbitrary anti-symmetric ($A=-A^{T}$) complex matrix

Published on 03 Jan 2014 - 15:25

712

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Prove that if $T$ a normal linear transformation and invertible, then $T^{-1}$ is normal.

Published on 05 Jan 2014 - 11:21

554

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Multiplication operator on Hilbert space

Published on 05 Jan 2014 - 17:16

108

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Limit of the spectrum in Banach algebra

Published on 30 Mar 2026 - 12:23

240

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relations between two linear operators

Published on 07 Jan 2014 - 11:37

List Question

Resolvent properties

Spectral radius as the inf of norms of conjugates

Reason for Continuous Spectrum of Laplacian

Relation of Hodge Theorem to Eigenfunction Basis of Laplacian

Spectrum of shift-operator

Approximate point spectrum and left topological zero divisors

Sources on Inverse Spectral Theory

spectrum of operators

Why is this spectrum the closure?

$T\in B(H)$ normal and left invertible implies $T$ invertible?

Singular value decomposition of an arbitrary anti-symmetric ($A=-A^{T}$) complex matrix

Prove that if $T$ a normal linear transformation and invertible, then $T^{-1}$ is normal.

Multiplication operator on Hilbert space

Limit of the spectrum in Banach algebra

relations between two linear operators

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