Abate and Tovena's resonant Fuchsian-pole conjecture

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Let ∇\nabla be a meromorphic connection on a Riemann surface SS. Let p0p_0 be a Fuchsian pole, and let ρ:=Res⁡p0∇\rho:=\operatorname{Res}_{p_0}\nabla. Suppose

−1−ρ∈N∗.-1-\rho\in\mathbb{N}^*.

Abate and Tovena's conjecture. There is a neighborhood UU of p0p_0 such that every geodesic ray which enters into UU tends to p0p_0. The two rays of any geodesic which stays in UU tend to p0p_0. This conjecture extends the known local description around non-resonant Fuchsian poles to the resonant case, whose geodesic behavior is not established in the cited source.

References

Primary source

Karim Rakhimov, “Flat structure of meromorphic connections on Riemann surfaces”, arXiv:2011.04901 (2024).

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