The problem of thirteen spheres : A proof for undergraduates

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Abstract

The purpose of this note is to present an elementary proof of the fact that no more than twelve unit balls can simultaneously touch a unit ball in 3-space,a proof that is accessible for undergraduates.

Journal

  • European Journal of Combinatorics

    European Journal of Combinatorics, 2006

    Elsevier Science B.V.

Codes

  • NII Article ID (NAID)
    120001371783
  • NII NACSIS-CAT ID (NCID)
    AA00181294
  • Text Lang
    ENG
  • Article Type
    journal article
  • ISSN
    0195-6698
  • Data Source
    IR 
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