Double Scepter Valley
Robert P. Munafo, 1997 Jan 15.
Colloquial name for the cusps between R2.1/3a and R2.1/3.1/2a, and the cusps between R2.2/3a and R2.2/3.1/2a. See R2.1/3.C(1/2).
From the Mandelbrot Set Glossary and Encyclopedia, by Robert Munafo. Mu-ency index
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