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Tagged with catalan-numbers limits-and-convergence
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Can we define the Mandelbrot set in terms of the generating function of the Catalan numbers?
For each complex number $c$, define $P_{0}(c)=0$ and $P_{n+1}(c) = (P_{n}(c))^{2} + c$ . The Mandelbrot set is the set of complex numbers c for which $|P_{n}(c)|$ stays bounded as $n\rightarrow \...