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Mar 10, 2017 at 9:42 history edited CommunityBot
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May 14, 2014 at 5:58 comment added Douglas Zare @André Henriques: The biggest region is an exact cardiod. The second is an exact circle. At least many of the smaller regions which look circular are not exactly circular: linas.org/art-gallery/bud/bud.html
May 14, 2014 at 5:40 comment added André Henriques I have a question about the Mandelbrod set, which is so naive that I don't dare to ask it as an actual stand-alone question: Are the various ovals (connected components of the interior of the Mandelbrod set) perfect circles? If not, do they have smooth boundary? Are they bounded by algebraic curves?
Dec 15, 2010 at 0:00 comment added David Roberts Discussion here: golem.ph.utexas.edu/category/2010/10/benot_mandelbrot.html
Dec 14, 2010 at 18:34 comment added Douglas Zare It is a set so that each point in the set and its complement can be marked up with an associated Julia set and the behavior of $0$. I don't know what more is needed to call it a structure. If you want a more algebraic structure on top, then look at, for example, homeomorphisms on subsets of the Mandelbrot set from quasiconformal surgeries.
Dec 14, 2010 at 12:58 comment added Jose Brox It is a set with a geometrical depiction of great beauty and intricacy, but... how is it a structure?
Dec 14, 2010 at 0:51 history answered Douglas Zare CC BY-SA 2.5