Robert P. Munafo, 1998 Jan 6.

R2-Name: R2.C(1/4)
Abbrev: R.C(4)
Colloq.: Quad Spiral Valley
Coords: center = 0.274 + 0.482 i, size = 0.

R2.C(1/4) is the R2-Name of the two cusps between R2a and R2.1/4a. The corresponding cusps near R2.3/4a are the same except for the vertical reflection. The colloquial name "quad spiral valley" comes from the quadruple spirals that are prominent in the filaments of the mu-atoms on the child side of the cusp.

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

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