English

Deterministic constructions of high-dimensional sets with small dispersion

Computational Complexity 2024-12-20 v1 Numerical Analysis Numerical Analysis

Abstract

The dispersion of a point set P[0,1]dP\subset[0,1]^d is the volume of the largest box with sides parallel to the coordinate axes, which does not intersect PP. Here, we show a construction of low-dispersion point sets, which can be deduced from solutions of certain kk-restriction problems, which are well-known in coding theory. It was observed only recently that, for any ε>0\varepsilon>0, certain randomized constructions provide point sets with dispersion smaller than ε\varepsilon and number of elements growing only logarithmically in dd. Based on deep results from coding theory, we present explicit, deterministic algorithms to construct such point sets in time that is only polynomial in dd. Note that, however, the running-time will be super-exponential in ε1\varepsilon^{-1}.

Keywords

Cite

@article{arxiv.1901.06702,
  title  = {Deterministic constructions of high-dimensional sets with small dispersion},
  author = {Mario Ullrich and Jan Vybíral},
  journal= {arXiv preprint arXiv:1901.06702},
  year   = {2024}
}
R2 v1 2026-06-23T07:17:00.227Z