Question

Variation of geometrical quantities under infinitesimal deformation of surfaces

score 72 · Answer 1 · 2019-05-01 23:07:58

72

Views

Variation of geometrical quantities under infinitesimal deformation of surfaces

Published on 01 May 2019 - 23:07

score 95 · Answer 2 · 2019-05-08 04:55:26

95

Views

Solving IVP exactly with an epsilon variable

Published on 08 May 2019 - 4:55

score 174 · Answer 3 · 2019-05-14 22:52:22

174

Views

Finding leading order approximation to $\frac{d^2y}{dx^2}-\epsilon y=x$

Published on 14 May 2019 - 22:52

score 190 · Answer 4 · 2019-05-24 06:23:18

190

Views

Can we approximate a.e. invertible matrices with everywhere invertible matrices in $L^2$ sense?

Published on 24 May 2019 - 6:23

score 108 · Answer 5 · 2026-03-22 12:10:46

108

Views

How will fixed point change if the mapping changes?

Published on 22 Mar 2026 - 12:10

score 69 · Answer 6 · 2019-05-27 08:39:41

69

Views

Undetermined coefficients in a perturbative expansion

Published on 27 May 2019 - 8:39

score 253 · Answer 7 · 2019-05-29 14:15:34

253

Views

Applying the method of steepest descent to $ \int_{-i \infty}^{i \infty} \frac{\exp{x (t^2 - 2t)}}{t - a}\,dt$ as $x \to \infty$

Published on 29 May 2019 - 14:15

score 480 · Answer 8 · 2019-05-30 13:41:46

480

Views

Why is it so important in the method of steepest descent that we follow the steepest descent contour that passes through a saddle point?

Published on 30 May 2019 - 13:41

score 28 · Answer 9 · 2019-06-04 06:53:52

28

Views

Show that a wave signal superposed by a perturbed wave signal can be expressed as combined signal.

Published on 04 Jun 2019 - 6:53

score 51 · Answer 10 · 2019-06-12 08:54:07

51

Views

Approximating $z^2(1-(\varepsilon z) + (\varepsilon z)^2) +1 = 0 $ solutions when $\varepsilon \rightarrow 0$

Published on 12 Jun 2019 - 8:54

score 219 · Answer 11 · 2019-06-20 21:16:37

219

Views

Expanding a differential equation in powers of $\epsilon$

Published on 20 Jun 2019 - 21:16

score 64 · Answer 12 · 2019-06-23 18:21:04

64

Views

Find the values of $\epsilon$ at the two pair bifurcation points of the polynomial: $\phi(x,\epsilon):=(x-2)^2(x-3)+\epsilon^2=0$.

Published on 23 Jun 2019 - 18:21

score 158 · Answer 13 · 2026-03-25 04:43:28

158

Views

How to prove the lower bound of the amount of perturbation on nuclear norm after scaling a matrix?

Published on 25 Mar 2026 - 4:43

score 77 · Answer 14 · 2019-07-12 13:44:57

77

Views

$D((A+B)^)= D(A^)$ if $B$ is $A$-bounded with $A$-bound $0$

Published on 12 Jul 2019 - 13:44

score 47 · Answer 15 · 2019-07-18 11:56:38

47

Views

How to determine if a nonlinear perturbation introduces chaos to a linear system?

Published on 18 Jul 2019 - 11:56

List Question

Variation of geometrical quantities under infinitesimal deformation of surfaces

Solving IVP exactly with an epsilon variable

Finding leading order approximation to $\frac{d^2y}{dx^2}-\epsilon y=x$

Can we approximate a.e. invertible matrices with everywhere invertible matrices in $L^2$ sense?

How will fixed point change if the mapping changes?

Undetermined coefficients in a perturbative expansion

Applying the method of steepest descent to $ \int_{-i \infty}^{i \infty} \frac{\exp{x (t^2 - 2t)}}{t - a}\,dt$ as $x \to \infty$

Why is it so important in the method of steepest descent that we follow the steepest descent contour that passes through a saddle point?

Show that a wave signal superposed by a perturbed wave signal can be expressed as combined signal.

Approximating $z^2(1-(\varepsilon z) + (\varepsilon z)^2) +1 = 0 $ solutions when $\varepsilon \rightarrow 0$

Expanding a differential equation in powers of $\epsilon$

Find the values of $\epsilon$ at the two pair bifurcation points of the polynomial: $\phi(x,\epsilon):=(x-2)^2(x-3)+\epsilon^2=0$.

How to prove the lower bound of the amount of perturbation on nuclear norm after scaling a matrix?

$D((A+B)^)= D(A^)$ if $B$ is $A$-bounded with $A$-bound $0$

How to determine if a nonlinear perturbation introduces chaos to a linear system?

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