摘要
Ｒ４空间的二次曲面可分为３类〔１〕．本文应用不变量解决了第（Ⅲ）类曲面方程的标准化问题．
The paper 1 quadratic surface in four-dimensional are divided into three groups. In this paper, transform third group quadratic surface equations into standard equations.
出处
《陕西科技大学学报（自然科学版）》
1997年第2期94-97,共4页
Journal of Shaanxi University of Science & Technology
关键词
二次曲面
不变量
特征方程
特征根
quadratic surface, fixed quantity, characteristic equation, characteristic value
