Local Lyapunov exponents are defined like global Lyapunov exponents but without taking the long-time limit t→∞, so they retain more spatial/local information about stretching.
Conditions: Comparison is with global Lyapunov exponents; The limit t→∞ is omitted
Local Lyapunov exponents are defined like global Lyapunov exponents but without taking the long-time limit t→∞, so they retain more spatial/local information about stretching.
Conditions: Comparison is with global Lyapunov exponents; The limit t→∞ is omitted
Having a positive Lyapunov exponent is presented as a signature of chaos, but the lecturer explicitly says it is not a necessary and sufficient condition for chaos.
Conditions: Discussed in the context of identifying chaos via Lyapunov exponents.; The slide explicitly marks the condition as “not NASC!”.
Having a positive Lyapunov exponent is presented as a signature of chaos, but the lecturer explicitly says it is not a necessary and sufficient condition for chaos.
Conditions: Discussed in the context of identifying chaos via Lyapunov exponents.; The slide explicitly marks the condition as “not NASC!”.
Lyapunov exponents are ordered by value from largest to smallest, not by absolute value. Thus λ1 is the exponent closest to positive infinity and λn is the exponent closest to negative infinity.
Conditions: n is the dimension of the dynamical system; Ordering is by real value, not magnitude
Lyapunov exponents are ordered by value from largest to smallest, not by absolute value. Thus λ1 is the exponent closest to positive infinity and λn is the exponent closest to negative infinity.
Conditions: n is the dimension of the dynamical system; Ordering is by real value, not magnitude
Exponential growth of separation on a bounded attractor is compatible with boundedness because the relevant measurement is local transverse stretching with renormalization along the attractor, not unlimited separation in the ambient space.
Conditions: The trajectory lies on an attractor; Separation is measured transversely with renormalization
Exponential growth of separation on a bounded attractor is compatible with boundedness because the relevant measurement is local transverse stretching with renormalization along the attractor, not unlimited separation in the ambient space.
Conditions: The trajectory lies on an attractor; Separation is measured transversely with renormalization