13 citations · 21 across the 5 of their papers we have counts for
5 papers · 1 filter
On slant helices in Minkowski space
Ahmad T. Ali, Rafael López
We consider a curve in Minkowski 3-space and denote by $\{T,N,B}$ the Frenet frame of . We say that is a slant helix if there exists a fixed direction o…
Timelike -slant helices in Minkowski space
Ahmad T. Ali, Rafael López
We consider a unit speed timelike curve in Minkowski 4-space and denote the Frenet frame of by . We say that is a generalized helix if one of t…
Parabolic Weingarten surfaces in hyperbolic space
Rafael López
A surface in hyperbolic space $\h^3$ invariant by a group of parabolic isometries is called a parabolic surface. In this paper we investigate parabolic surfaces of $\h^3$ that sati…
A criterion on instability of rotating cylindrical surfaces
Rafael López
We consider a column of a rotating stationary surface in Euclidean space. We obtain a value in such way that if the length of column satisfies , then the surface…
Parabolic surfaces in hyperbolic space with constant curvature
Rafael López
We study parabolic linear Weingarten surfaces in hyperbolic space $\rlopezh^3$. In particular, we classify two family of parabolic surfaces: surfaces with constant Gaussian curvatu…