Finding a cyclide given three contact conditions

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TitreFinding a cyclide given three contact conditions
Type de publicationJournal Article
Year of Publication2015
AuteursLangevin R, Sifre J-C, Druoton L, Garnier L, Paluszny M
JournalCOMPUTATIONAL & APPLIED MATHEMATICS
Volume34
Pagination275-292
Date PublishedAPR
Type of ArticleArticle
ISSN2238-3603
Mots-clésContact condition, Dupin cyclide, Homography, Lorentz space, Space of spheres
Résumé

Dupin cyclides form a 9-dimensional set of surfaces which are, from the viewpoint of differential geometry, the simplest after planes and spheres. We prove here that, given three oriented contact conditions, there is in general no Dupin cyclide satisfying them, but if the contact conditions belong to a codimension one subset, then there is a one-parameter family of solutions.

DOI10.1007/s40314-014-0116-0