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Nonhyperbolic one-dimensional invariant sets with a countably infinite collection of inhomogeneities

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Good C., Knight R., Raines B.

Fundamenta Mathematicae

2006

tom 192

nr 3

267-289

We examine the structure of countable closed invariant sets under a dynamical system on a compact metric space. We are motivated by a desire to understand the possible structures of inhomogeneities in one-dimensional nonhyperbolic sets (inverse limits of finite graphs), particularly when those inhomogeneities form a countable set. Using tools from descriptive set theory we prove a surprising restriction on the topological structure of these invariant sets if the map satisfies a weak repelling or attracting condition. We show that for a family of conceptual models for the Hénon attractor, inverse limits of tent maps, these restrictions characterize the structure of inhomogeneities. We end with several results regarding the collection of parameters that generate such spaces.

Ograniczanie wyników

1 Fundamenta Mathematicae

1 Good C.

1 Knight R.

1 Raines B.

1 2006

Wyniki wyszukiwania

Nonhyperbolic one-dimensional invariant sets with a countably infinite collection of inhomogeneities