On Pseudo Null Bertrand Curves in Minkowski Space-time

In this paper, we prove that there are no pseudo null Bertrand curve with curvature functions k1(s) = 1, k2(s) = 0 and k3(s) other than itself in Minkowski spacetime E 4 1 and by using the similar idea of Matsuda and Yorozu [13], we define a new kind of Bertrand curve and called it pseudo null (1, 3)-Bertrand curve. Also we give some characterizations and an example of pseudo null (1, 3)-Bertrand curves in Minkowski spacetime.