List questions from perturbation-theory

Published on 17 Oct 2016 - 15:19

231

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Perturbation of matrix proof

Published on 25 Mar 2026 - 11:25

127

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Perturbation of Normal Operator

Published on 27 Oct 2016 - 16:59

762

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Discs of the The Bauer–Fike theorem

Published on 01 Nov 2016 - 21:53

931

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Inverse of almost diagonal matrixes

Published on 19 Nov 2016 - 4:11

1k

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Change in eigenvector when matrix is perturbed

Published on 21 Nov 2016 - 7:45

508

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Solving an IVP using the Regular Perturbation Theory

Published on 23 Nov 2016 - 1:32

848

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Boundary layer problem(s): locating boundary layer(s) & asymptotic matching.

Published on 28 Nov 2016 - 13:09

185

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Asymptotic Expansion of Integrals

Published on 30 Nov 2016 - 19:59

26

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How to find an upper bound for an asymptotic relation $\frac{\epsilon}{\delta^{2}}$ using that $\delta \ll \epsilon^{2}$?

Published on 07 Dec 2016 - 20:53

51

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Can one have $f(n)\sim \frac{a}{\sqrt{n}}$ as $n\to\infty$ but $\frac{f(n-1)}{f(n)}= 1+\frac{k}{n}+O\left(\frac1{n^2}\right) $ with $k\neq\frac12$?

Published on 07 Dec 2016 - 23:13

198

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Perturbed Bessel equation

Published on 16 Dec 2016 - 11:49

1.3k

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Matrix function converges, how about the eigenvalues?

Published on 26 Dec 2016 - 17:16

199

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What is the meaning of "up to the order $O(\epsilon^{n})$" in perturbation theory?

Published on 29 Dec 2016 - 17:41

57

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Perturbation of the non linear Schrödinger equation

Published on 29 Dec 2016 - 18:29

List Question

Finding perturbed eigenvectors in degenerate first order perturbation theory

Perturbation of matrix proof

Perturbation of Normal Operator

Discs of the The Bauer–Fike theorem

Inverse of almost diagonal matrixes

Change in eigenvector when matrix is perturbed

Solving an IVP using the Regular Perturbation Theory

Boundary layer problem(s): locating boundary layer(s) & asymptotic matching.

Asymptotic Expansion of Integrals

How to find an upper bound for an asymptotic relation $\frac{\epsilon}{\delta^{2}}$ using that $\delta \ll \epsilon^{2}$?

Can one have $f(n)\sim \frac{a}{\sqrt{n}}$ as $n\to\infty$ but $\frac{f(n-1)}{f(n)}= 1+\frac{k}{n}+O\left(\frac1{n^2}\right) $ with $k\neq\frac12$?

Perturbed Bessel equation

Matrix function converges, how about the eigenvalues?

What is the meaning of "up to the order $O(\epsilon^{n})$" in perturbation theory?

Perturbation of the non linear Schrödinger equation

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