Bertrand curves and Razzaboni surfaces in Minkowski 3-space
Bull. Korean Math. Soc. 2015 Vol. 52, No. 2, 377-394
Published online March 31, 2015
Chuanyou Xu, Xifang Cao, and Peng Zhu
Fuyang Teachers College, Yangzhou University, Jiangsu University of Technology
Abstract : In this paper, we generalize some results about Bertrand curves and Razzaboni surfaces in Euclidean 3-space to the case that the ambient space is Minkowski 3-space. Our discussion is divided into three different cases, i.e., the parent Bertrand curve being timelike, spacelike with timelike principal normal, and spacelike with spacelike principal normal. For each case, first we show that Razzaboni surfaces and their mates are related by a reciprocal transformation; then we give B\"{a}cklund transformations for Bertrand curves and for Razzaboni surfaces; finally we prove that the reciprocal and B\"{a}cklund transformations on Razzaboni surfaces commute.
Keywords : Bertrand curve, Razzaboni surface, Minkowski 3-space, reciprocal transformation, B\"acklund transformation
MSC numbers : Primary 53B30; Secondary 53A35
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