Abstract
The Julia set F* of the map z → ỹ(z) = z2-μ may be the boundary of an atom, of a molecule, or of a “devil’s polymer” in the z-plane. Denote the boundary of one of the atoms of F* by H. When μ ≠ 0 is the nucleus of a cardioid-shaped atom of the M-set, it is conjectured that the fractal dimension D of H is 1. Thus, H may be a be a rectifiable curve (of well defined length) or perhaps only a borderline fractal curve (of logarithmically diverging length). This paper comments on a clearer version of Figure 5 of M19831{C5} and develops a remark made there, but not very explicitly.
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© 2004 Benoit B. Mandelbrot
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Mandelbrot, B.B. (2004). Certain Julia sets include smooth components. In: Fractals and Chaos. Springer, New York, NY. https://doi.org/10.1007/978-1-4757-4017-2_9
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DOI: https://doi.org/10.1007/978-1-4757-4017-2_9
Publisher Name: Springer, New York, NY
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