Non-universality conjecture for zero-discrepancy entry distributions

Let μ1,μ2,μ3\mu_1,\mu_2,\mu_3 be probability measures with mean 00 and variance 11, and let Δ(μ)\Delta(\mu) be the discrepancy of a probability measure. Let β(μ,)\beta(\mu,\infty) denote the runtime scaling exponent of \infty-reluctant dynamics. Zero-discrepancy non-universality conjecture. There exist μ1,μ2,μ3\mu_1,\mu_2,\mu_3 such that Δ(μ1)>0\Delta(\mu_1)>0, Δ(μ2)=Δ(μ3)=0\Delta(\mu_2)=\Delta(\mu_3)=0, and the three numbers β(μ1,)\beta(\mu_1,\infty), β(μ2,)\beta(\mu_2,\infty), and β(μ3,)\beta(\mu_3,\infty) are all distinct. This predicts that positive-discrepancy distributions and zero-discrepancy distributions do not share one universal runtime exponent, while the conjecture remains open in the supplied text.

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Primary source

Grace Liu and Dmitriy Kunisky, “Empirical universality and non-universality of local dynamics in the Sherrington-Kirkpatrick model”, arXiv:2511.17428 (2026).

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