Quasiconformal universality conjecture for Basilica limit sets
Quasiconformal universality conjecture for Basilica limit sets
Let , for , be Basilica limit sets of geometrically finite conformal dynamical systems, such as limit sets of geometrically finite Kleinian groups or Julia sets of geometrically finite rational maps. A point on the ideal boundary of a complementary component is called parabolic or hyperbolic according to the induced dynamical or Fuchsian-group structure. A homeomorphism between and is type-preserving if it sends parabolic points on every ideal boundary bijectively onto parabolic points. Quasiconformal universality conjecture. If and are homeomorphic via a type-preserving map, then is quasi-symmetric to . This extends the stated corollary from the paper to all geometrically finite Basilica limit sets; the authors believe their methods may prove it with suitable combinatorial modifications, but the conjecture remains open.
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Primary source
Yusheng Luo, Mahan Mj and Sabyasachi Mukherjee, “Universality of the Basilica”, arXiv:2601.13553 (2026).
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