Question

Why should I look at the Resolvent formalism and think it is a useful tool for spectral theory?

score 93 · Answer 1 · 2020-08-24 20:55:45

93

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Why should I look at the Resolvent formalism and think it is a useful tool for spectral theory?

Published on 24 Aug 2020 - 20:55

score 98 · Answer 2 · 2026-03-27 07:17:09

98

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zero's of the " T-zeta function " ? ( $ \zeta_t(s) = \prod_{p = 2}^{\infty} \frac{p^s}{p^s - t}$)

Published on 27 Mar 2026 - 7:17

score 415 · Answer 3 · 2020-09-03 17:22:09

415

Views

Find a two term composite asymptotic expansion of second order ODE with boundary conditions

Published on 03 Sep 2020 - 17:22

score 30 · Answer 4 · 2026-03-25 15:48:20

30

Views

Angle-Action variables for 2D or 3D conservative systems

Published on 25 Mar 2026 - 15:48

score 420 · Answer 5 · 2020-09-07 23:08:20

420

Views

A couple of questions about implementing perturbation for the Mandelbrot set

Published on 07 Sep 2020 - 23:08

score 561 · Answer 6 · 2020-09-15 20:40:26

561

Views

perturbing rotation matrices as a means to pertub points in euclidean space.

Published on 15 Sep 2020 - 20:40

score 293 · Answer 7 · 2026-03-28 16:19:29

293

Views

Max eigenvalue of block partitioned matrix

Published on 28 Mar 2026 - 16:19

score 243 · Answer 8 · 2026-03-27 03:57:45

243

Views

Pertubation theory in sagemath

Published on 27 Mar 2026 - 3:57

score 22 · Answer 9 · 2020-09-26 05:00:30

22

Views

Doubt in the pertubation theory for BVP

Published on 26 Sep 2020 - 5:00

score 273 · Answer 10 · 2020-09-27 16:37:38

273

Views

Asymptotic expansion, solving roots to an equation with dominant balance, what went wrong in my approach?

Published on 27 Sep 2020 - 16:37

score 76 · Answer 11 · 2020-09-30 21:02:45

$ \epsilon \frac{d^2 u}{d x^2}+ \frac{du}{dx} -a -2bx=0$ ; 0<x<1 where u(0)=0,and u(1)=1. Find the approximate solutio

score 161 · Answer 12 · 2020-10-06 07:59:33

161

Views

"Modern" reference in perturbation theory in quantum mechanics

Published on 06 Oct 2020 - 7:59

score 36 · Answer 13 · 2020-10-14 09:19:05

36

Views

Can we say something about roots of quadatric equation whose coefficient consists of terms that tend to 0?

Published on 14 Oct 2020 - 9:19

score 536 · Answer 14 · 2020-10-14 19:35:26

536

Views

Using multiple scale method the first term expansion for large $t$, $\epsilon y'' +y' +y =0; \ \ \ t>0$

Published on 14 Oct 2020 - 19:35

score 41 · Answer 15 · 2020-10-15 21:26:03

41

Views

Perturb $\tanh(c(x-x_0))$ or similar functions around $x\rightarrow x+\delta x$

Published on 15 Oct 2020 - 21:26

List Question

Why should I look at the Resolvent formalism and think it is a useful tool for spectral theory?

zero's of the " T-zeta function " ? ( $ \zeta_t(s) = \prod_{p = 2}^{\infty} \frac{p^s}{p^s - t}$)

Find a two term composite asymptotic expansion of second order ODE with boundary conditions

Angle-Action variables for 2D or 3D conservative systems

A couple of questions about implementing perturbation for the Mandelbrot set

perturbing rotation matrices as a means to pertub points in euclidean space.

Max eigenvalue of block partitioned matrix

Pertubation theory in sagemath

Doubt in the pertubation theory for BVP

Asymptotic expansion, solving roots to an equation with dominant balance, what went wrong in my approach?

$ \epsilon \frac{d^2 u}{d x^2}+ \frac{du}{dx} -a -2bx=0$ ; 0<x<1 where u(0)=0,and u(1)=1. Find the approximate solutio

"Modern" reference in perturbation theory in quantum mechanics

Can we say something about roots of quadatric equation whose coefficient consists of terms that tend to 0?

Using multiple scale method the first term expansion for large $t$, $\epsilon y'' +y' +y =0; \ \ \ t>0$

Perturb $\tanh(c(x-x_0))$ or similar functions around $x\rightarrow x+\delta x$

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