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- THE ESTIMATION OF FIRST EIGENVALUE OF COMPACT RIEMANN MANIFOLD WITH NEGATIVE RICCI CURVATURE 负Ricci曲率紧Riemann流形第一特征值的估计
- non- negative Ricci curvature 具非负Ricci曲率
- In this paper, we investigate the whole formulas of the curvature tensor, Ricci curvature and scalar curvature on the singly and doubly warped product on Lorentzian manifolds. 给出了洛伦茨流形上的曲率张量、纯量曲率的计算公式;并推导出了洛伦茨流形上的二重扭积公式.
- Abstract : In this paper,we study compact Riemannian manifolds which Ricci curvature ten-sors are parallel,and establish some pinching theorems for square of length of the Riemanniancurvatuer tensor. 摘要 ： 本文研究李奇曲率平行的封闭黎曼流形，证明了黎曼曲率平方的一个拚挤定理。
- The lower bound of Ricci curvature and finite topological type 曲率下界与有限拓扑型
- The first eigenvalue on a compact manifold with positive Ricci curvature 正曲率流形的第一特征值
- The Fundamental Group of Open Manifolds with Nonnegative Ricci Curvature 具有非负Ricci曲率的开流形的基本群
- Important theorem on submanifold in space form with paralled Ricci curvature 常曲率空间中Ricci曲率平行的子流形的一个重要定理及应用
- Open Manifolds with Nonnegative Ricci Curvature and Large Volume Growth 具有非负Ricci曲率和大体积增长的开流形
- The Manifolds with Nonnegative Ricci Curvature and Sub-large Volume Growth 具非负Ricci曲率和次大体积增长的流形
- This non sequitur invalidates his argument. 他不根据前提推理因而论证无效。
- Minimal Submanifolds in a Riemannian Manifolds with Parallel Ricci Curvature 具有平行Ricci曲率黎曼流形中的极小子流形
- Patience is a sine qua non for a good teacher. 做个优秀教师必不可少的条件是要有耐心。
- The answer to my request was in the negative. 对我的请求的答复是否定的。
- The diplomat was declared persona non grata. 这位外交家被宣布为不受欢迎的使节。
- He is declared personal non grata and forced to leave the country. 他被宣布为不受欢迎的人而被迫离开该国。
- His answer to my request was a negative. 我的请求遭到了他的拒绝。
- The tests for hepatitis were negative. 肝炎检查结果是阴性。
- Their criticism was not negative. 他们的批评并不是负面的。
- The Progress of Riemannian Manifolds with Nonnegative Ricci Curvature and Large Volume Growth 具非负Ricci曲率的大体积增长之黎曼流形研究的进展
