论文标题
横向沿表面的横向线的曲率线,$ 3 $ - 空间
Curvature lines of a transversal eqüiaffine vector field along a surface in $3$-space
论文作者
论文摘要
在本文中,我们讨论了在隔离的脐带上以$ 3 $ - 空间为$ 3 $空间的横向eqüiaffine矢量场的曲率行为。
In this paper we discuss the behavior of the curvature lines of a transversal eqüiaffine vector field along a surface in $3$-space at isolated umbilical points.