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Helicoidal surfaces with prescribed curvatures in a conformally flat 3-space
Georgian Mathematical Journal ( IF 0.7 ) Pub Date : 2021-01-21 , DOI: 10.1515/gmj-2020-2087 Chul Woo Lee 1 , Jae Won Lee 2 , Dae Won Yoon 2
Georgian Mathematical Journal ( IF 0.7 ) Pub Date : 2021-01-21 , DOI: 10.1515/gmj-2020-2087 Chul Woo Lee 1 , Jae Won Lee 2 , Dae Won Yoon 2
Affiliation
In this paper, we study a conformally flat 3-space which is an Euclidean 3-space with a conformally flat metric
with the conformal factor , where for .
In particular, we construct all helicoidal surfaces in by solving the second-order non-linear ODE with extrinsic curvature and
mean curvature functions. As a result, we give classification of minimal helicoidal surfaces as well as
examples for helicoidal surfaces with some extrinsic curvature and mean curvature functions in .
中文翻译:
在保形的3空间中具有规定曲率的螺旋曲面
在本文中,我们研究了保形平坦的3空间 这是具有保形因子的保形平面度量的欧几里得三空间 ,在哪里 对于 。特别是,我们构造了所有的螺旋曲面 通过求解具有外在曲率和平均曲率函数的二阶非线性ODE。结果,我们给出了最小螺旋曲面的分类,以及带有一些外在曲率和平均曲率函数的螺旋曲面的示例。 。
更新日期:2021-01-31
中文翻译:
在保形的3空间中具有规定曲率的螺旋曲面
在本文中,我们研究了保形平坦的3空间