Robert P. Munafo, 1997 Nov 20.
The point 0+0i, in discussions of Julia sets, is called the critical point. The orbit of that point is called the critical orbit and tells whether the Julia set is connected or is a Cantor set (also called a Fatou dust).
See also fundamental dichotomy.
From the Mandelbrot Set Glossary and Encyclopedia, by Robert Munafo, (c) 1987-2017. Mu-ency index
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