geodesic torsion

geodesic torsion

[¦jē·ə¦des·ik ′tȯr·shən]
(mathematics)
For a given point on a surface and a given direction, the torsion of the geodesic on the surface through the point and in the given direction.
For a given curve on a surface at a given point, the torsion of the geodesic through the point in the same direction as the given curve.
References in periodicals archive ?
g] are called the geodesic curvature, the normal curvature and the geodesic torsion, respectively.
g](s) = -<n'(s), g(s)> are called the normal curvature, the geodesic curvature and the geodesic torsion of [?
The relations for the normal curvature, the geodesic curvature and the geodesic torsion are given by