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Dynamics of holomorphic transformations; Mandelbrot and Julia sets.

27 votes
3 answers
943 views

A point set of power series with coefficients in {-1, 1}. Connected or not?

Let $z$ be a fixed complex number with $|z|<1$ and consider the set $$X_z := \Big\{\sum\limits_{i=1}^{\infty} a_i z^i \ \Big|\ a_i\in \{-1,1\} \forall i\Big\}.$$ What can be said about the set $M$ of …
Kirby Lee's user avatar
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