Abstract
In this paper, the problem of topological distinguishing of Lorenz-like attractors and their generalizations is discussed. New cardinal-valued topological invariants for Lorenz-type attractors and generalizations are constructed. A generalization is considered of Williams’s well-known model of the attractor in the Lorenz system, the inverse limit of semiflows on branched manifolds that are suspensions over a discontinuous expanding map of a closed linear interval. The generalization consists in the consideration of maps with several discontinuity points, rather than one. A cardinal-valued topological invariant L-manuscript is constructed that distinguishes a continuum of nonhomeomorphic generalized models. A topological invariant distinguishing a continuum of nonhomeomorphic geometric Lorenz attractors is obtained as a consequence. An analogous cardinal-valued invariant is constructed for attractors of Lorenz-type maps. The kneading invariant is not a topological invariant distinguishing attractors as sets; there exists an uncountable set of mutually nonconjugating Lorenz-type maps having homeomorphic attractors.
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Klinshpont, N. (2014). Lorenz Attractors and Generalizations: Geometric and Topological Aspects. In: Grácio, C., Fournier-Prunaret, D., Ueta, T., Nishio, Y. (eds) Nonlinear Maps and their Applications. Springer Proceedings in Mathematics & Statistics, vol 57. Springer, New York, NY. https://doi.org/10.1007/978-1-4614-9161-3_12
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DOI: https://doi.org/10.1007/978-1-4614-9161-3_12
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