Null Homology Groups and Stable Currents in Warped Product Submanifolds of Euclidean Spaces

被引:7
作者
Li, Yanlin [1 ]
Piscoran, Laurian-Ioan [2 ]
Ali, Akram [3 ]
Alkhaldi, Ali H. [3 ]
机构
[1] Hangzhou Normal Univ, Sch Math, Hangzhou 311121, Peoples R China
[2] Tech Univ Cluj Napoca, Baia Mare 430122, Romania
[3] King Khalid Univ, Coll Sci, Dept Math, Abha 61413, Saudi Arabia
来源
SYMMETRY-BASEL | 2021年 / 13卷 / 09期
关键词
warped product submanifolds; euclidean spaces; homology group; homotopic; fundamental groups; stable currents; IMMERSIONS; THEOREMS; REAL;
D O I
10.3390/sym13091587
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
In this paper, we prove that, for compact warped product submanifolds Mn in an Euclidean space En+k, there are no stable p-currents, homology groups are vanishing, and M-3 is homotopic to the Euclidean sphere S-3 under various extrinsic restrictions, involving the eigenvalue of the warped function, integral Ricci curvature, and the Hessian tensor. The results in this paper can be considered an extension of Xin's work in the framework of a compact warped product submanifold, when the base manifold is minimal in ambient manifolds.
引用
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页数:14
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