scholarly journals Chain recurrence, growth rates and ergodic limits

2007 ◽  
Vol 27 (5) ◽  
pp. 1509-1524 ◽  
Author(s):  
FRITZ COLONIUS ◽  
ROBERTA FABBRI ◽  
RUSSELL JOHNSON
Keyword(s):  
Lyapunov Exponents ◽  
Growth Rates ◽  
General Linear ◽  
Chain Recurrence ◽  
Hamiltonian Flows ◽  
Rotation Numbers ◽  
Linear Flows

AbstractAverages of functionals along trajectories are studied by evaluating the averages along chains. This yields results for the possible limits and, in particular, for ergodic limits. Applications to Lyapunov exponents and to concepts of rotation numbers of linear Hamiltonian flows and of general linear flows are given.

Exponential Growth Rates of Periodic Asymmetric Oscillators

2008 ◽  
Vol 8 (4) ◽  
Author(s):  
Meirong Zhang ◽  
Zhe Zhou
Keyword(s):  
Lyapunov Exponents ◽  
Ergodic Theory ◽  
Growth Rates ◽  
Exponential Growth ◽  
Zero Solution ◽  
Unique Ergodicity ◽  
Topological Dynamics ◽  
Asymmetric Oscillator ◽  
Ergodicity Theorem

AbstractIn this paper we will study the dynamics of the periodic asymmetric oscillator xʺ + qdoes exist for each non-zero solution x(t) of the oscillator. The properties of these rates, or the Lyapunov exponents, will be given using the induced circle di®eomorphism of the oscillator. The proof is extensively based on the Denjoy theorem in topological dynamics and the unique ergodicity theorem in ergodic theory.

scholarly journals Lower and upper bounds for the Lyapunov exponents of twisting dynamics: a relationship between the exponents and the angle of Oseledets’ splitting

2012 ◽  
Vol 33 (3) ◽  
pp. 693-712 ◽  
Author(s):  
M.-C. ARNAUD
Keyword(s):  
Lyapunov Exponent ◽  
Lower Bound ◽  
Lyapunov Exponents ◽  
Cotangent Bundle ◽  
Upper Bounds ◽  
Lower And Upper Bounds ◽  
Hamiltonian Flows ◽  
Twist Maps ◽  
The Mean ◽  
Minimizing Measures

AbstractWe consider locally minimizing measures for conservative twist maps of the $d$-dimensional annulus and for Tonelli Hamiltonian flows defined on a cotangent bundle $T^*M$. For weakly hyperbolic measures of such type (i.e. measures with no zero Lyapunov exponents), we prove that the mean distance/angle between the stable and unstable Oseledets bundles gives an upper bound on the sum of the positive Lyapunov exponents and a lower bound on the smallest positive Lyapunov exponent. We also prove some more precise results.

scholarly journals Regularized semiclassical limits: Linear flows with infinite Lyapunov exponents

2016 ◽  
Vol 14 (7) ◽  
pp. 1821-1858 ◽  
Author(s):  
Agissilaos Athanassoulis ◽  
Theodoros Katsaounis ◽  
Irene Kyza
Keyword(s):  
Lyapunov Exponents ◽  
Semiclassical Limits ◽  
Linear Flows

A Perron-type theorem for nonautonomous delay equations

2013 ◽  
Vol 11 (7) ◽  
Author(s):  
Luis Barreira ◽  
Claudia Valls
Keyword(s):  
Lyapunov Exponents ◽  
Small Perturbation ◽  
Growth Rates ◽  
Exponential Growth ◽  
Type Theorem ◽  
Delay Equations ◽  
Delay Equation ◽  
Linear Delay

AbstractWe show that if the Lyapunov exponents of a linear delay equation x′ = L(t)x t are limits, then the same happens with the exponential growth rates of the solutions to the equation x′ = L(t)x t + f(t, x t) for any sufficiently small perturbation f.

Lyapunov Exponents

2016 ◽  
Author(s):  
Arkady Pikovsky ◽  
Antonio Politi
Keyword(s):  
Lyapunov Exponents
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