R2F(1/2(1/3B1)B)  

Robert P. Munafo, 2008 Feb 12.



R2F(1/2(1/3B1)B) is the R2-name for the mu-unit R2.1/2.1/3 and all attached filaments.

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R2F(1/2(1/3B)B)

R2F(1/2(1/3B1)B) is the largest filament that exhibits two different orders of rotational symmetry: 2-fold and 3-fold. The 3-fold symmetry results from 1/3, the internal angle of R2.1/2.1/3a; while the 2-fold symmetry comes from the internal angle of R2.1/2a.

This filament contains the 8th and 9th largest islands, which respectively are R2F(1/2(1/3B1)B1)S (the one near the end of the filament) and R2.1/2F(1/3B1)S. Because of their closeness in size, and because they are spaced in roughly symmetrical positions 1/4 and 3/4 of the way out on the filament, R2F(1/2(1/3B1)B) has a particularly asthetic appearance. (See also R2.2/5a).

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R2F(1/2(1/3B1)B1)S
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R2.1/2F(1/3B1)S. Compare to R2F(1/3B1)S.

See also R2.1/2.1/2, R2.1/2.1/4, and R2.1/2.1/5.




From the Mandelbrot Set Glossary and Encyclopedia, by Robert Munafo, (c) 1987-2017.     Mu-ency index


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