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Common Tangents to Spheres in ℝ3

Identifieur interne : 000097 ( Istex/Corpus ); précédent : 000096; suivant : 000098

Common Tangents to Spheres in ℝ3

Auteurs : Ciprian Borcea ; Xavier Goaoc ; Sylvain Lazard ; Sylvain Petitjean

Source :

RBID : ISTEX:04C84E31264A16736893C662F7131243B65C646F

Abstract

Abstract: We prove that four spheres in ℝ3 have infinitely many real common tangents if and only if they have aligned centers and at least one real common tangent.

Url:
DOI: 10.1007/s00454-005-1230-y

Links to Exploration step

ISTEX:04C84E31264A16736893C662F7131243B65C646F

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<abstract lang="en">Abstract: We prove that four spheres in ℝ3 have infinitely many real common tangents if and only if they have aligned centers and at least one real common tangent.</abstract>
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