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- Lorentzian hypersurface 洛伦兹超曲面
- There are two main types of wormholes: Lorentzian wormholes and Euclidean wormholes. 有二种主要类型的虫孔:洛伦兹虫孔和欧几里得虫孔。
- The general event horizon formula of black hole is given from null hypersurface equation. 从零曲面方程出发 ;导出了黑洞视界面的普遍公式 .
- Lorentzian wormholes are mainly studied in semiclassical gravity and Euclidean wormholes are studied in particle physics. 洛伦兹虫孔主要用于半经典重力引力研究，而欧几里得虫孔用于粒子物理学研究。
- It is unknown whether (Lorentzian) wormholes are possible or not within the framework of general relativity. 是否（洛伦兹）虫孔是可能在或不在广义相对论框架里面，这是未知的。
- The former is described by a few equations, whereas the latter requires the specification of vast amounts of initial data on some hypersurface. 前者只包含了几个方程式，而后者却需要在某个超曲面（hypersurface）上，给定一大堆初始资料。
- In addition,the Lorentzian and Euclidean gravitational theory can be expressed in a unified way by use of these two different methods. 此外 ,这两种方法还能统一地表述具有不同时空号差 (洛伦兹号差和欧几里得号差 )的洛伦兹引力理论和欧几里得引力理论
- Traversable wormholes are a special kind of Lorentzian wormholes which would allow a human to travel from one side of the wormhole to the other. 可旅行的虫孔是特别类型虫孔，它能使一个人从虫孔一边旅行到另一边。
- It shows that there are similarities between the role of the link of a hypersurface singularity and the space of directions of a singularity in an Alexandrov space. 证明超曲面奇点的链环与亚历山大洛夫空间的奇点的方向空间有一些相似之处.
- The testing curve is generated and the viscosity of oil-water emulsions is analyzed by using Gaussian and Lorentzian curve. 拟合结果表明:在地层条件下,乳化液黏度的变化规律符合高斯函数和劳伦兹函数,与常温、常压下不含气的油水乳化液黏度的变化规律相类似。
- Derive the calculation equations of velocity, temperature and pressure of upper atmospheric winds based on the Lorentzian profile. 推导了对基于洛伦兹光谱线型的高层大气风场的速度场、温度场和压力场的计算公式。
- In this paper,an intrinsic condition for a Compact Space-like hypersurface with constant scalar curvature in a de Sitter space to be totally umbilical is obtained. 在这篇文章中;讨论了具有常数量曲率的拟紧致超曲面;并给出了它是全脐子流形的一个全脐条件.
- Using computer simulation, showing that Voigt profile is better than Gaussian profile or Lorentzian profile, and is the optimal spectrum profile. 采用计算机模拟，说明佛克脱光谱线型优于高斯光谱线型和洛伦兹光谱线型，是最接近实际的光谱线型。
- In this paper, an intrinsic condition for a Compact Space-like hypersurface with constant scalar curvature in a de Sitter space to be totally umbilical is obtained. 摘要在这篇文章中，讨论了具有常数量曲率的拟紧致超曲面，并给出了它是全脐子流形的一个全脐条件。
- Behaviors of harmonic signals in wavelength modulation spectroscopy (WMS) for gas detection with Lorentzian line under high absorption strength are investigated. 基于洛伦兹线型近似，研究了高吸收强度下波长调制吸收光谱中谐波信号的行为。
- Some physicists have proposed a model of FTL travel, formulated in the context of Lorentzian manifolds, which are used in general relativity to construct spacetime models. 一些物理学家提出一种超光速航行的模型，以洛仑兹流形的架构来陈述；这种架构在广义相对论中被用以建立时空模型。
- 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.
- Then we use computer simulation and error analysis, showing that Lorentzian profile take very important role in upper atmospheric winds detection and can’t be neglected. 通过计算机模拟和误差分析，说明洛伦兹光谱线型在高层大气风场探测中占有相当重要和不可忽略的地位。
- In this paper , a rigidity theorem of hypersurface in real space form will begiven.In addition, we obtain rigidity theorems of submanifold in sphere which improvethe result of Hou and Xu. 本文给出实空间形式中超曲面的一个刚性定理，同时也得到求面中子流形的刚性结果.
- In this paper, a rigidity theorem of hypersurface in real space form will be given.In addition, we obtain rigidity theorems of submanifold in sphere which improve the result of Hou and Xu. 摘要本文给出实空间形式中超曲面的一个刚性定理，同时也得到求面中子流形的刚性结果。
