Topological dynamics of the doubling map with asymmetrical holes

We study the dynamics of the attractor of the doubling map with an asymmetrical hole by associating to each hole an element of the lexicographic world. A description of the topological entropy function is given. We show that the set of parameters $(a,b)$ such that the dynamics of the mentioned attractor corresponds to a subshift of finite type is open and dense. Using the connections between this family of open dynamical systems, intermediate $β$-expansions and Lorenz maps we study the topological transitivity and the specification property for such maps.

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