
ISSN:
1937-1632
eISSN:
1937-1179
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Discrete and Continuous Dynamical Systems - S
December 2019 , Volume 12 , Issue 8
Issue on fractal geometry, dynamical systems, and their applications
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We show that shadowing is a generic property for continuous maps on dendrites.
In this paper, we establish free-probabilistic models
We extend the definition of an orbit portrait to the context of non-autonomous iteration, both for the combinatorial version involving collections of angles, and for the dynamic version involving external rays where combinatorial portraits can be realized by the dynamics associated with sequences of polynomials with suitably uniformly bounded degrees and coefficients. We show that, in the case of sequences of polynomials of constant degree, the portraits which arise are eventually periodic which is somewhat similar to the classical theory of polynomial iteration. However, if the degrees of the polynomials in the sequence are allowed to vary, one can obtain portraits with complementary arcs of irrational length which are fundamentally different from the classical ones.
A trajectory
We study positive transfer operators
A complex Hadamard matrix
If
For every
a)
b)
c) For every
and analogously for
We also study the closure of the class of above homeomorphisms in the (complete) metric space of planar orientation preserving homeomorphisms.
We introduce the concept of hereditarily non uniformly perfect sets, compact sets for which no compact subset is uniformly perfect, and compare them with the following: Hausdorff dimension zero sets, logarithmic capacity zero sets, Lebesgue 2-dimensional measure zero sets, and porous sets. In particular, we give a detailed construction of a compact set in the plane of Hausdorff dimension 2 (and positive logarithmic capacity) which is hereditarily non uniformly perfect.
Topological mating is a combination that takes two same-degree polynomials and produces a new map with dynamics inherited from this initial pair. This process frequently yields a map that is Thurston-equivalent to a rational map
2020
Impact Factor: 2.425
5 Year Impact Factor: 1.490
2020 CiteScore: 3.1
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