Results 261 to 270 of about 64,085 (304)
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Isochronicity of centers at a center manifold

AIP Conference Proceedings, 2012
For a three dimensional system with a center manifold filled with closed trajectories (corresponding to periodic solutions of the system) we give criteria on the coefficients of the system to distinguish between the cases of isochronous and non-isochronous oscillations. Bifurcations of critical periods of the system are studied as well.
Brigita Ferčec, Matej Mencinger
openaire   +1 more source

Center manifold of unstable periodic orbits of helium atom: numerical evidence

open access: yesDiscrete and Continuous Dynamical Systems - Series B, 2003
An original numerical method is introduced for the calculation of orbits on the center manifold of an unstable periodic orbit. The method is implemented for some unstable periodic orbits of the helium atom, and the dynamics on the corresponding center ...
A Carati
exaly   +1 more source

The center manifold

1995
In this chapter we analyse the behaviour of the nonlinear semiflow near a nonhyperbolic equilibrium; that is, we consider the situation where A does have spectrum on the imaginary axis. We use the decomposition of X as $$X\, = {X_ - } \oplus {X_0} \oplus {X_{ + \cdot }}$$
Odo Diekmann   +3 more
openaire   +1 more source

On center manifolds

Nonlinear Analysis: Theory, Methods & Applications, 1997
Let \(X\) be a Banach space. Consider the semiflow \(\Phi:X\to X\) with \(\Phi(x) =U(x)+ g(x)\), \(U\in L(X,X)\), \(g\in C^k(X,X)\), \(k\geq 1\), \(g(0)=0\).
openaire   +2 more sources

Theory of Invariant Manifold and Foliation and Uniqueness of Center Manifold Dynamics

Journal of Dynamics and Differential Equations, 2023
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
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Centers on center manifolds in the Lorenz, Chen and Lü systems

Communications in Nonlinear Science and Numerical Simulation, 2014
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Antonio Algaba   +3 more
openaire   +2 more sources

Center Manifolds for Homoclinic Solutions

Journal of Dynamics and Differential Equations, 2000
Preprint: Weierstraß-Institut für Angewandte Analysis und Stochastik, vol ...
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The Center Manifold Theorem

1976
In this section we will start to carry out the program outlined in Section 1 by proving the center manifold theorem. The general invariant manifold theorem is given in Hirsch-Pugh-Shub [1]. Most of the essential ideas are also in Kelley [1] and a treatment with additional references is contained in Hartman [1]. However, we shall follow a proof given by
J. E. Marsden, M. McCracken
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On the stability of the center manifold

ZAMP Zeitschrift f�r angewandte Mathematik und Physik, 1987
A new lemma in the theory of center manifolds is proved with the help of Gronwall's inequality. It means that as long as a trajectory of the dynamical system remains in a neighborhood of a singular point with given center manifold, it must be close to some trajectory on the mentioned manifold.
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Design of Center Manifold

2010
This chapter provides a systematic technique for designing center manifold of closed loop of nonlinear systems to stabilize the system. The method was firstly presented in [6]. Section 11.1 introduces some fundamental concepts and results about center manifold theory. Section 11.2 considers the case when the zero dynamics has minimum phase.
Daizhan Cheng, Xiaoming Hu, Tielong Shen
openaire   +1 more source

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