We give a characterization of the generic projection on P2 of an algebraic surface of P3 with a finite number of nodes. The construction of an algebraic surface of P3 with a given number of nodes is thus equivalent to the construction of a plane curve with nodes and cusps in some special position.
Cite this article
J. d'Almeida, Surfaces à points doubles isolés. Comment. Math. Helv. 74 (1999), no. 1, pp. 22–26DOI 10.1007/S000140050074