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Paper detail

Missing sets in rational parametrizations of surfaces of revolution

Parametric representations do not cover, in general, the whole geometric object that they parametrize. This can be a problem in practical applications. In this paper we analyze the question for surfaces of revolution generated by real rational profile curves, and we describe a simple small superset of the real zone of the surface not covered by the parametrization. This superset consists, in the worst case, of the union of a circle and the mirror curve of the profile curve.

preprint2014arXivOpen access
J. Rafael SendraDavid SevillaCarlos Villarino
math.AGSymbolic Computation
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J. Rafael SendraDavid SevillaCarlos Villarino

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