Let C ⊆ Pn be an unramified nonspecial real space curve having many real branches and few ovals. We show that C is a rational normal curve if n is even, and that C is an M-curve having no ovals if n is odd.
@article{urn:eudml:doc:44491, title = {Unramified nonspecial real space curves having many real branches and few ovals.}, journal = {Revista Matem\'atica de la Universidad Complutense de Madrid}, volume = {15}, year = {2002}, pages = {351-355}, zbl = {1042.14034}, mrnumber = {MR1951816}, language = {en}, url = {http://dml.mathdoc.fr/item/urn:eudml:doc:44491} }
Huisman, Johannes. Unramified nonspecial real space curves having many real branches and few ovals.. Revista Matemática de la Universidad Complutense de Madrid, Tome 15 (2002) pp. 351-355. http://gdmltest.u-ga.fr/item/urn:eudml:doc:44491/