On 2-diffeomorphisms with one-dimensional basic sets and a finite number of moduli
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Publication:5365004
zbMATH Open1375.37059arXiv1608.00439MaRDI QIDQ5365004
O. V. Pochinka, V. Z. Grines, Sebastian van Strien
Publication date: 29 September 2017
Abstract: This paper is a step towards the complete topological classification of {Omega}-stable diffeomorphisms on an orientable closed surface, aiming to give necessary and sufficient conditions for two such diffeomorphisms to be topologically conjugate without assuming that the diffeomorphisms are necessarily close to each other. In this paper we will establish such a classification within a certain class {Psi} of {Omega}-stable diffeomorphisms de- fined below. To determine whether two diffeomorphisms from this class {Psi} are topologically conjugate, we give (i) an algebraic description of the dynamics on their non-trivial basic sets, (ii) a geometric description of how invariant manifolds intersect, and (iii) define numerical invariants, called moduli, associated to orbits of tangency of stable and unsta- ble manifolds of saddle periodic orbits. This description determines the scheme of a diffeomorphism, and we will show that two diffeomorphisms from {Psi} are topologically conjugate if and only if their schemes agree.
Full work available at URL: https://arxiv.org/abs/1608.00439
Topological and differentiable equivalence, conjugacy, moduli, classification of dynamical systems (37C15) Uniformly hyperbolic systems (expanding, Anosov, Axiom A, etc.) (37D20) Dynamical systems with hyperbolic orbits and sets (37D05)
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