The corrected local-to-global conjecture for Apollonian curvatures

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Let Pfull⁡{\mathcal{P}^{\operatorname{full}}} be a primitive integral packing, and let Σ\Sigma be the union of the residue classes modulo 2424 that have representatives in Pfull⁡{\mathcal{P}^{\operatorname{full}}}. Let SS be the union of the curvature families ruled out by reciprocity obstructions catalogued in HKRS, Theorem 2.5. Corrected local-to-global conjecture. Every sufficiently large integer mm with m∈Σ∖Sm\in\Sigma\setminus S occurs as a curvature in Pfull⁡{\mathcal{P}^{\operatorname{full}}}.

References

Primary source

Holley Friedlander, Elena Fuchs, Piper Harris, Catherine Hsu, James Rickards, Katherine Sanden, Damaris Schindler and Katherine E. Stange, “Prime and thickened prime components in Apollonian circle packings”, arXiv:2410.00177 (2025).

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