Robert P. Munafo, 1996 Oct 30.
On a filament, any direction that follows a filament but does not lead to the continent seed. At proper branch points there is more than one outward path; at terminal points there is no outward path. See inward.
From the Mandelbrot Set Glossary and Encyclopedia, by Robert Munafo, (c) 1987-2017. Mu-ency index
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