English

The Local-Global Principle for Integral Soddy Sphere Packings

Number Theory 2017-06-16 v2

Abstract

Fix an integral Soddy sphere packing P. Let K be the set of all curvatures in P. A number n is called represented if n is in K, that is, if there is a sphere in P with curvature equal to n. A number n is called admissible if it is everywhere locally represented, meaning that n is in K(mod q) for all q. It is shown that every sufficiently large admissible number is represented.

Keywords

Cite

@article{arxiv.1208.5441,
  title  = {The Local-Global Principle for Integral Soddy Sphere Packings},
  author = {Alex Kontorovich},
  journal= {arXiv preprint arXiv:1208.5441},
  year   = {2017}
}

Comments

34 pages, 5 figures

R2 v1 2026-06-21T21:55:52.560Z