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Double Spiral Medallion    

Robert P. Munafo, 2023 Jun 24.

A name used by Romera Pastor and Montoya (and subsequently in the Mandelmap poster) referring to an embedded Julia set found in the double spiral valley (.C(1/2) cusp) of an island.

-1.25531894 - 0.38220889 i  1.5439e-7
-1.25531894 - 0.38220889 i @ 1.5439e-7

a "double spiral medallion" in _R2F(1/2(2/3B1)B1)S.C(1/2)1

(Compare this image to the seahorse medallion example.)

revisions: 20230418 first version; 20230624 attribute Romera et al.

From the Mandelbrot Set Glossary and Encyclopedia, by Robert Munafo, (c) 1987-2024.

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