Über die Fundamentalgruppen Siegelscher Modulvarietäten vom Grade 2.
Un théorème de Zariski du type de Lefschetz
Unramified nonspecial real space curves having many real branches and few ovals.
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.