摘要
本文给出了关于二阶曲面的代数定义和射影定义之间的等价性定理。
This article is told the sense of equivalence between algebraic definition and projecting definition.of the surface of the second order.
作者
裘肖庚
Qiu Xiaogeng(Department of Mathematics)
关键词
二阶曲面
代数定义
射影定义
等价性
conicoid
aigebraic definition
projecting definition
the sense of equal value