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1answer
70 views

Possible ways to do stability analysis of non-linear, three-dimensional Differential Equations

For example Lorenz system, $$ \frac{d}{dt}\begin{pmatrix} x\\ y\\ z \end{pmatrix}=\begin{pmatrix} -\sigma & \sigma & 0\\ \rho & -1 & -x\\ y & 0 & -\beta ...
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0answers
23 views

Chaos without period doubling

I have been studying the Duffing oscillator rather intensively lately, mainly based on the theory in of the book by Guckenheimer and Holmes. From all that I have gathered, it seems that most dynamical ...
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0answers
11 views

Divergent limit cycle frequency along a hopf boundary

I am studying the linear stability of continuous system as a function of two parameters (a and b) and I observe that a hopf bifurcation with frequency w happens along the line described by f(a,b). ...
1
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1answer
47 views

Conditions for Saddle-Node Bifurcations

I am reading the book on Chaos and Dynamical Systems by Alligood, Sauer, and Yorke, and I am having trouble seeing how one of the steps in a proof follows from the assumptions. I provide a statement ...
3
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1answer
84 views

What is a good text on bifurcation theory?

What is a a good text on bifurcation theory for mathematicians who haven't seen it before? I'm looking to get a feel for the intuition behind the subject, major standard theorems, etc. I do not mind ...
0
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1answer
42 views

Is there a bifurcation node in the activation energy of chemical reactions?

I was thinking about the activation energy of chemical reactions (obviously), and I was wondering if there exists a bifurcation node somewhere in the transition state. Let me give you a link to an ...
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0answers
36 views

Half-stable fixed point on a circle

On a line graph, it's clear that a half-stable fixed point is the limit of moving the unstable fixed point towards the stable fixed point. Some solutions go to infinity depending on the initial ...
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2answers
125 views

Period doubling is chaos?

I've already read something about chaos and it's origins but I am not sure that this affirmative statement is true for all the cases. Can anyone help me? Thanks, Bruno
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0answers
69 views

The equation $2 \cosh(3.1786803659501505 z) = z$?

Let $a$ be a positive real number and $z$ a complex number. I was wondering about the equation $2 \cosh(a z) = z$ where we solve for $z$. Clearly if $z$ is a solution than so is its conjugate. It ...