Higher-dimensional extension of the X-ray theorem for modular correspondences

Let f ⁣:(S2,P)\righttoleftarrowf\colon(S^2,P)\righttoleftarrow be a Thurston map, and let FF be its associated modular correspondence on M0,d=Moduli(S2,P)\mathscr M_{0,d}=\operatorname{Moduli}(S^2,P), as in the modular-correspondence construction. Let \star be a fixed point of FF.

Higher-dimensional extension conjecture. Theorem on X-rays holds with respect to any fixed point \star of FF.

This is a proposed extension of the paper's main theorem to modular correspondences associated with Thurston maps. The source gives no resolution of the conjecture.

Sources & referencesView supporting material

Primary source

Laurent Bartholdi, Dzmitry Dudko and Kevin M. Pilgrim, “Correspondences on Riemann surfaces and non-uniform hyperbolicity”, arXiv:2407.15548 (2025).

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