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JSC
2010
82views more  JSC 2010»
13 years 4 months ago
The first rational Chebyshev knots
A Chebyshev knot C(a, b, c, ) is a knot which has a parametrization of the form x(t) = Ta(t); y(t) = Tb(t); z(t) = Tc(t + ), where a, b, c are integers, Tn(t) is the Chebyshev pol...
Pierre-Vincent Koseleff, D. Pecker, F. Rouillier
CORR
2008
Springer
100views Education» more  CORR 2008»
13 years 10 months ago
Wadge Degrees of Infinitary Rational Relations
We show that, from the topological point of view, 2-tape B
Olivier Finkel
CAGD
2008
99views more  CAGD 2008»
13 years 10 months ago
On quadratic two-parameter families of spheres and their envelopes
In the present paper we investigate rational two-parameter families of spheres and their envelope surfaces in Euclidean R3. The four dimensional cyclographic model of the set of s...
Martin Peternell, Boris Odehnal, Maria Lucia Sampo...