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73
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JSC
2010
82views more  JSC 2010»
14 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»
14 years 9 months ago
Wadge Degrees of Infinitary Rational Relations
We show that, from the topological point of view, 2-tape B
Olivier Finkel
69
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CAGD
2008
99views more  CAGD 2008»
14 years 9 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...