Quad Spiral Valley  

Robert P. Munafo, 1997 Jan 14.

Colloquial name for the cusps between R2a and R2.1/4a, or their mirror image (the cusps between R2a and R2.3/4a). See R2.C(1/4) for pictures.

From the Mandelbrot Set Glossary and Encyclopedia, by Robert Munafo, (c) 1987-2018.     Mu-ency index

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