Tan–Lei similarity conjecture for cubic superattracting parameter curves
Tan–Lei similarity conjecture for cubic superattracting parameter curves
Let be a cubic polynomial in the superattracting period- parameter curve , written in the normal form
Assume that is a Misiurewicz map, meaning that its free critical point is repelling and strictly preperiodic; let be its filled Julia set and let be the free co-critical point. Tan–Lei similarity conjecture. Under iterated magnification, the connectedness locus around looks more and more like around , up to a fixed scale change and rotation. This conjecture predicts that the parameter-space geometry of the cubic curve near Misiurewicz maps asymptotically reproduces the corresponding local geometry of the dynamical filled Julia set. The supplied text does not state whether the conjecture has been resolved.
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Sources & referencesView supporting material
Primary source
Araceli Bonifant and Brady Young, “Similarity at Misiurewicz Maps in the Cubic Parameter Curves”, arXiv:2510.26515 (2025).
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