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On the computation of extended rescaled Poincaré maps for singular vector fields
Published in Dynamical Systems, 2020
Qianying Xiao, Yiwei Zhang
For any , a collection
is called a ε -pseudo-orbit for the flow , if for any ,
A point x is chain recurrent if there exist pseudo-orbits from x to x with arbitrary small jumps. A compact invariant set Λ is aperiodic chain transitive if Λ contains no periodic points, (i.e. for any point and t>0, ), and for any two points , there exist pseudo-orbits in Λ from x to y with arbitrary small jumps. A chain recurrent class is defined as a maximal chain transitive set.
Expansive transitive sets for robust and generic diffeomorphisms
Published in Dynamical Systems, 2018
Manseob Lee, Junmi Park
Let and Λ is a locally maximal transitive set. Suppose that f|Λ is expansive. Then, there exists a constant C > 0, 0 < λ < 1 and such that for each q which is a periodic point of f in Λ with period π(q, g) ≥ m,
where k = [π(q, g)/m].Λ admits a dominated splitting TΛM = E⊕F with dimE = index(p).
Ergodic optimization for some dynamical systems beyond uniform hyperbolicity
Published in Dynamical Systems, 2022
Dawei Yang, Jinhua Zhang
There is a dense set in such that for any , if Λ is a non-trivial isolated transitive set, then Λ is a local homoclinic class .