Faculty of Education, Mersin Üniversity, 33169, Yenişehir Kampüsü, Mersin-Turkey. E-mail: leylao@mersin.edu.tr
AMS Subject Classification: Primary 53B25; Secondary 53C42, 53C40.
In this paper we study Lorentzian submanifolds by use of extrinsic shapes of space-like helices and give a condition that they are extrinsic sphere.
Totally umbilical submanifols, circles, helix, extrinsic spheres
