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A simple computable criteria for the existence of horseshoes
Author(s) -
Salvador AddasZanata
Publication year - 2007
Publication title -
discrete and continuous dynamical systems
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.289
H-Index - 70
eISSN - 1553-5231
pISSN - 1078-0947
DOI - 10.3934/dcds.2007.17.365
Subject(s) - simple (philosophy) , computable general equilibrium , computable analysis , mathematics , mathematical economics , computer science , pure mathematics , calculus (dental) , computable function , discrete mathematics , economics , epistemology , microeconomics , philosophy , medicine , dentistry
In this note we give a simple computable criteria that assures the ex- istence of hyperbolic horseshoes for certain dieomorphisms of the torus. The main advantage of our method is that it is very easy to check numer- ically whether the criteria is satisfied or not.

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