An algebraic approach to curves and surfaces on the sphere and on other quadrics
Selected papers of the international symposium on Free-form curves and free-form surfaces
Rational parametrization of surfaces
Journal of Symbolic Computation
Applications of Laguerre geometry in CAGD
Computer Aided Geometric Design
A Laguerre geometric approach to rational offsets
Computer Aided Geometric Design
Proper parametrization of real tubular surfaces
Journal of Symbolic Computation
An algebraic analysis of conchoids to algebraic curves
Applicable Algebra in Engineering, Communication and Computing
Journal of Symbolic Computation
Rational parametrization of conchoids to algebraic curves
Applicable Algebra in Engineering, Communication and Computing
Conchoid surfaces of rational ruled surfaces
Computer Aided Geometric Design
Journal of Symbolic Computation
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The conchoid of a surface F with respect to given fixed point O is roughly speaking the surface obtained by increasing the radius function with respect to O by a constant. This paper studies conchoid surfaces of spheres and shows that these surfaces admit rational parameterizations. Explicit parameterizations of these surfaces are constructed using the relations to pencils of quadrics in R^3 and R^4. Moreover we point to remarkable geometric properties of these surfaces and their construction.