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- Title
Non-landing parameter rays of the multicorns.
- Authors
Inou, Hiroyuki; Mukherjee, Sabyasachi
- Abstract
It is well known that every rational parameter ray of the Mandelbrot set lands at a single parameter. We study the rational parameter rays of the multicorn $$\mathscr {M}_d^*$$ , the connectedness locus of unicritical antiholomorphic polynomials of degree d, and give a complete description of their accumulation properties. One of the principal results is that the parameter rays accumulating on the boundaries of odd period (except period 1) hyperbolic components of the multicorns do not land, but accumulate on arcs of positive length consisting of parabolic parameters. We also show the existence of undecorated real-analytic arcs on the boundaries of the multicorns, which implies that the centers of hyperbolic components do not accumulate on the entire boundary of $$\mathscr {M}_d^*$$ , and the Misiurewicz parameters are not dense on the boundary of $$\mathscr {M}_d^*$$ .
- Subjects
MANDELBROT sets; HOLOMORPHIC functions; POLYNOMIALS; BIFURCATION theory; MATHEMATICAL connectedness
- Publication
Inventiones Mathematicae, 2016, Vol 204, Issue 3, p869
- ISSN
0020-9910
- Publication type
Article
- DOI
10.1007/s00222-015-0627-3