The smooth discrepancy lower-bound conjecture

For a point set ξ\xi with mm points in the dd-dimensional domain and arbitrary weights, let Dr,o(m,d)D^{r,o}_\infty(m,d) be the infimum of the rr-discrepancy over all such point-weight pairs. Smooth discrepancy lower-bound conjecture. For all d,rNd,r\in\mathbb N,

Dr,o(m,d)C(r,d)mr(logm)d1.D^{r,o}_\infty(m,d) \ge C(r,d)m^{-r}(\log m)^{d-1}.

This generalizes the classical discrepancy lower-bound conjecture to smooth discrepancy and weighted formulas. The stated bound is supported by known lower estimates under restrictions on the weights, but the unrestricted assertion remains open.

Sources & referencesView supporting material

Primary source

Vladimir Temlyakov, “Connections between numerical integration, discrepancy, dispersion, and universal discretization”, arXiv:1812.04489 (2018).

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