%0 Journal Article %A Andradas Heranz, Carlos %A Recio, Tomás %A Sendra, J. Rafael %A Tabera, Luis F. %A Villarino, Carlos %T Reparametrizing swung surfaces over the reals %D 2014 %@ 0938-1279 %U https://hdl.handle.net/20.500.14352/33528 %X Let be a computable subfield of the real numbers (for instance, ). We present an algorithm to decide whether a given parametrization of a rational swung surface, with coefficients in , can be reparametrized over a real (i.e., embedded in ) finite field extension of . Swung surfaces include, in particular, surfaces of revolution. %~