English

No-dimensional Tverberg-type problems

Combinatorics 2025-06-17 v1 Computational Geometry Metric Geometry

Abstract

Recently, Adiprasito et al. have initiated the study of the so-called no-dimensional Tverberg problem. This problem can be informally stated as follows: Given nkn\geq k, partition an nn-point set in Euclidean space into kk parts such that their convex hulls intersect a ball of relatively small radius. In this survey, we aim to present the recent progress towards solving the no-dimensional Tverberg problem and new open questions arising in its context. Also, we discuss the colorful variation of this problem and its algorithmic aspects, particularly focusing on the case when each part of a partition contains exactly 2 points. The latter turns out to be related to the following no-dimensional Tverberg-type problem of Huemer et al.: For an even set of points in Euclidean space, find a perfect matching such that the balls with diameters induced by its edges intersect.

Keywords

Cite

@article{arxiv.2506.13451,
  title  = {No-dimensional Tverberg-type problems},
  author = {Alexander Polyanskii},
  journal= {arXiv preprint arXiv:2506.13451},
  year   = {2025}
}

Comments

17 pages

R2 v1 2026-07-01T03:19:37.599Z