deutsch
english
Publication View
24738373
Common Tangents to Spheres in $R3$ (2006)
Borcea, Ciprian
,
Goaoc, Xavier
,
Lazard, Sylvain
,
Petitjean, Sylvain
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.
Publication details
Download
http://hal.inria.fr/inria-00100261/en/
Publisher
HAL - CCSD
Repository
CCSd/HAL : e-articles server (based on gBUS) (France)
Keywords
Computer Science/Other, computational geometry, 3d visibility, tangent lines || géométrie algorithmique, visibilité 3d, droites tangentes
Type
peer-reviewed article
Language
English
Relation
http://hal.inria.fr/docs/00/10/02/61/PDF/DCG_4balls_revised.pdf