目录 1 Basic Concepts and Previous Studies 1.1 Introduction 1.2 The three-dimensional Galilean space G3 1.2.1 Curves in Galilean space G3 1.2.2 Bishop frames 1.3 Natural geometry of ruled surfaces in G3 1.3.1 Darboux frame of a curve lying on the ruled surface of type I 1.3.2 Darboux frame of a curve lying on the ruled surface of type III 1.4 Helices in G3 1.5 Bertrand curves in G3 1.6 Geometry ofthe pseudo—Galilean space G3 1.6.1 Curves in pseudo-Galilean space 1.6.2 Bishop frames in G3 1.7 Natural geometry of ruled surfaces in G3 1.7.1 Darboux frame of a curve lying on a ruled surface in G3 1.8 Helices in G3 ……
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