CORR
2008
Springer
13 years 4 months ago
2008
Springer
A canal surface is an envelope of a one parameter family of spheres. In this paper we present an efficient algorithm for computing the implicit equation of a canal surface generat...
CORR
2010
Springer
13 years 4 months ago
2010
Springer
We determine set-theoretic defining equations for the variety Dualk,d,N P(Sd CN ) of hypersurfaces of degree d in CN that have dual variety of dimension at most k. We apply these ...