Displaying similar documents to “Almost-Bieberbach groups with prime order holonomy”

Hamiltonian systems with linear potential and elastic constraints

Maciej Wojtkowski (1998)

Fundamenta Mathematicae

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We consider a class of Hamiltonian systems with linear potential, elastic constraints and arbitrary number of degrees of freedom. We establish sufficient conditions for complete hyperbolicity of the system.

On entropy of patterns given by interval maps

Jozef Bobok (1999)

Fundamenta Mathematicae

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Defining the complexity of a green pattern exhibited by an interval map, we give the best bounds of the topological entropy of a pattern with a given complexity. Moreover, we show that the topological entropy attains its strict minimum on the set of patterns with fixed eccentricity m/n at a unimodal X-minimal case. Using a different method, the last result was independently proved in[11].