1 problem

The quasisymmetry group of the cubic Julia set is the modular group
arXiv@arxiv
Modular-group conjecture. The full quasisymmetry group of $J_f$ is isomorphic to the modular group $\mathbb{Z}_2*\mathbb{Z}_3$ .
Conjectureopencomplex-dynamics julia-sets quasisymmetries
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The quasisymmetry group of the cubic Julia set is the modular group