List questions from spectral-theory

Published on 11 Apr 2016 - 21:10

258

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ODE system with lower triangular coefficient matrix

Published on 14 Apr 2016 - 1:01

86

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If spectral radius $\rho(A)<1$ , does the inequality $||(I-A)^{-1}||_{2} \leq 1/(1-||A||_{2})$ hold true?

Published on 14 Apr 2016 - 14:12

1.3k

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Spectrum of a positive operator

Published on 26 Mar 2026 - 2:50

143

Views

Change of variables of a polynomial

Published on 17 Apr 2016 - 10:28

65

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Spectral density of a filtered stationary process

Published on 28 Mar 2026 - 20:57

219

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L2 Norm: Unfamiliar notation

Published on 26 Mar 2026 - 22:11

68

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Numerical algorithm: Spectral function -> Continued Fraction

Published on 26 Mar 2026 - 0:56

99

Views

counter example of sum of closable operators

Published on 01 Apr 2026 - 5:44

55

Views

The density of $C^1[0,2\pi]$

Published on 21 Apr 2016 - 13:59

298

Views

Problem with Spectral Theorem Proof

Published on 21 Apr 2016 - 14:09

19

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Two formula for an operator

Published on 22 Apr 2016 - 9:51

287

Views

Existence of minimal projection in a sub-algebra of compact operators

Published on 22 Apr 2016 - 10:29

723

Views

Proving that the point spectrum of $T$ is not empty

Published on 29 Mar 2026 - 22:43

938

Views

Spectrum of the Laplace operator with Neumann condition on intervals

Published on 24 Apr 2016 - 15:28

List Question

Direct Integral: Scalars

ODE system with lower triangular coefficient matrix

If spectral radius $\rho(A)<1$ , does the inequality $||(I-A)^{-1}||_{2} \leq 1/(1-||A||_{2})$ hold true?

Spectrum of a positive operator

Change of variables of a polynomial

Spectral density of a filtered stationary process

L2 Norm: Unfamiliar notation

Numerical algorithm: Spectral function -> Continued Fraction

counter example of sum of closable operators

The density of $C^1[0,2\pi]$

Problem with Spectral Theorem Proof

Two formula for an operator

Existence of minimal projection in a sub-algebra of compact operators

Proving that the point spectrum of $T$ is not empty

Spectrum of the Laplace operator with Neumann condition on intervals

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