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Dynamics of holomorphic transformations; Mandelbrot and Julia sets.

2 votes
0 answers
54 views

Integral curves of rational vector fields and approximations

The following is the formal statement of a conjecture that feels almost obvious, but I cannot find a reference for it. The idea is that one can obtain the integral curves of a vector field $V(z)$ by l …
Per Alexandersson's user avatar
19 votes
2 answers
3k views

Is there some known way to create the Mandelbrot set (the boundary), with an iterated functi...

Is there some known way to create the Mandelbrot set (the boundary), with an iterated function system (IFS)? Julia sets can be formed by iterating the two functions $z \mapsto \pm \sqrt{z-c},$ and th …
Per Alexandersson's user avatar
10 votes
1 answer
415 views

Convex Julia sets

Consider the classical Julia set $J_f$ associated with $f(z)=z^2+c$. Since $J_c$ is completely invariant, we know that $f^{-1}(J_f) \subseteq J_f$. Now, let $H_f$ be the convex hull of $J_f$. Is it t …
Per Alexandersson's user avatar