Figure 2From: A natural Frenet frame for null curves on the lightlike cone in Minkowski space \(\mathbb{R} ^{4}_{2}\)\(x(s)= (\cosh s+\frac{5}{3}\sinh s,17\cosh s+ \frac{35}{3}\sinh s, 11\cosh s+\frac{25}{3}\sinh s,13\cosh s+ \frac{25}{3}\sinh s )\)Back to article page