geodesic curvature


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geodesic curvature

[¦jē·ə¦des·ik ′kərv·ə·chər]
(mathematics)
For a point on a curve lying on a surface, the curvature of the orthogonal projection of the curve onto the tangent plane to the surface at the point; it measures the departure of the curve from a geodesic. Also known as tangential curvature.
References in periodicals archive ?
g] are called the geodesic curvature, the normal curvature and the geodesic torsion, respectively.
g] (v) is the geodesic curvature of the curve f on [S.
g](s) = -<n'(s), g(s)> are called the normal curvature, the geodesic curvature and the geodesic torsion of [?
a curve on a surface, whose geodesic curvature on each point is zero, is called a geodesic line.