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E_(s)^(5)中的双调和超曲面
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作者 富宇 侯中华 +1 位作者 杨丹 詹鑫 《数学学报(中文版)》 CSCD 北大核心 2022年第2期335-352,共18页
本文研究五维伪欧氏空间E_(s)^(5)中的双调和超曲面的几何和分类问题,证明了:如果M^(4)_(r)是E_(s)^(5)(s=1,2,3,4)中具有对角化形状算子的双调和超曲面,那么M^(4)_(r)一定是极小的.结合Turgay等人结果,本文进一步表明了五维Minkowski空... 本文研究五维伪欧氏空间E_(s)^(5)中的双调和超曲面的几何和分类问题,证明了:如果M^(4)_(r)是E_(s)^(5)(s=1,2,3,4)中具有对角化形状算子的双调和超曲面,那么M^(4)_(r)一定是极小的.结合Turgay等人结果,本文进一步表明了五维Minkowski空间E_(1)^(5)中Lorentz双调和超曲面一定是极小的.该结果证明了五维伪欧氏空间中超曲面情形下的双调和猜想. 展开更多
关键词 双调和映射 伪欧氏空间 双调和超曲面 双调和猜想
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A Kind of Weingarten Surfaces in E^3 with Prescribed Principal Curvatures
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作者 zhong hua hou Cai Ling KONG 《Journal of Mathematical Research and Exposition》 CSCD 2010年第4期619-627,共9页
In this paper, we construct a kind of Weingarten surfaces in E3 and study its geometric properties. We first derive an explicit diffierential relationship between the principal curvatures of them. Then we prove an exi... In this paper, we construct a kind of Weingarten surfaces in E3 and study its geometric properties. We first derive an explicit diffierential relationship between the principal curvatures of them. Then we prove an existence theorem of this kind of surfaces with prescribed principal curvatures. At last, we present two examples involving the rotation surfaces as the special case, and present several figures to the second example. 展开更多
关键词 the principal curvatures the Weingarten surfaces the rotation surfaces.
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