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莫比乌斯带的微分几何性质及分解
The Properties in Differential Geometry and Decompose of Mobius Strip
【摘要】 从微分几何的角度研究了莫比乌斯(Mobius)带的性质,如直纹面方程、正则性、单侧性、不可展性及高斯曲率;通过实验得出并证明了关于莫比乌斯带的n等分分解的重要结论:对莫比乌斯带进行偶数等分即2n(n为自然数)等分时,等分结果中不存在单侧曲面,双侧曲面数为n;对莫比乌斯带进行奇数等分即2n+1(n为自然数)等分时,等分结果中有且只有一个单侧曲面,双侧曲面数为n。
【Abstract】 In this paper,the properties of Mobius Strip such as ruled surface equation are researched by means of differential geometry;an important conclusion about dividing the Mobius strip into n parts is found and proved.
【关键词】 莫比乌斯带;
微分几何;
单侧曲面;
双侧曲面;
n等分;
【Key words】 Mobius Strip; divide; differential geometry; one-sided surface; tow-sided surface;
【Key words】 Mobius Strip; divide; differential geometry; one-sided surface; tow-sided surface;
【基金】 咸阳师范学院科研基金项目(04XSYK110);(06XSYK283)
- 【文献出处】 咸阳师范学院学报 ,Journal of Xianyang Normal University , 编辑部邮箱 ,2009年02期
- 【分类号】O186.1
- 【下载频次】673