normal tensor

Especially,when K/F is a normal extension field,we can find a basis such that the matrix of σ under the basis is invariant.

在文中我们考虑σ∈G(K/F),σ在某基下的矩阵,特别的当σ为正规扩张时,可以找到一组基,使得σ在这组基下的矩阵是不变的。

According to the metric tensor of the four dimensional time space continual redgion, this paper further solve the Einstein s equation and offered the quantitave computation to the tiperihelion precession of the celestial body moving in orbit in centric symmetry gravitational field.

从四维时空连续区的度规张量出发，进一步求解爱因斯坦场方程，对中心对称引力场中天体运动轨道近日点进动给出定量计算，发现在九大行星中，土星的进动量出现异常现象。

Using the Friedmann Space theory,We have discussed some problems on cosmology,Themain conclusions are: 1 metric tensor of the Friedmann space;2 energy-momentum tenosr of the Friedmann space;3 therelation of space cvolution to temperature;4 the theory formula of Red shift.

利用弗里德曼空间理论，讨论了宇宙学中的一些问题，主要内容：（１）弗里德曼空间的度规张量；（２）弗里德曼空间的能量动量张量；（３）弗里德曼空间的演化和温度的关系；（４）红向移动的理论公式。

Definition of various difference schemes for convection term using normalized variable concept is briefly described in the present work.

本文简单介绍了利用规正变量定义的各种对流项差分格式,给出了利用有限容积法离散粘性对流一扩散问题时的离散方程,其中的对流项采用高阶格式进行离散。