Strong-field convergence of hyperbolic to planar beta-exponent packing density

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For positive real parameters α\alpha and β\beta, let ρα,β(H)\rho_{\alpha,\beta}(\mathbb{H}) be the minimal discrepancy density for hyperbolic zero packing with field strength α\alpha and exponent β\beta, defined by

ρα,β(H)=lim inf⁡r→1−inf⁡f1log⁡11−r2∫D(0,r)((1−∣z∣2)α∣f(z)∣β−1)2dA(z)1−∣z∣2.\rho_{\alpha,\beta}(\mathbb{H})=\liminf_{r\to1^-}\inf_f\frac{1}{\log\frac{1}{1-r^2}}\int_{\mathbb{D}(0,r)}\big((1-|z|^2)^\alpha|f(z)|^\beta-1\big)^2\frac{\mathrm{d} A(z)}{1-|z|^2}.

Let ρβ(C)\rho_\beta(\mathbb{C}) be the corresponding planar density. Strong-field convergence conjecture. We believe that

lim⁡α→+∞ρα,β(H)=ρβ(C).\lim_{\alpha\to+\infty}\rho_{\alpha,\beta}(\mathbb{H})=\rho_\beta(\mathbb{C}).

This expresses the expectation that only local effects matter as the field strength increases; the source gives no resolution.

References

Primary source

Haakan Hedenmalm, “Bloch functions, asymptotic variance, and geometric zero packing”, arXiv:1602.03358 (2020).

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