文章主要讨论了空间曲线在一般平面上的射影柱面方程的求法。
This paper discusses the solutions of the equations of a class of projective cylinders formed by space curves onto general planes.
首次在射影坐标系下对亏格为3的超椭圆曲线密码体制推导了无需求逆的明确公式。
For the first time, the inversion-free explicit formulae are derived for genus 3 HECC in projective coordinate system.
在射影几何的范畴内，全面地论述了两二次曲线的公有点和公切线的图解问题。
This paper deals with the graphics of the intersections and common tangents of two conics according to projective geometry .
文章利用射影几何方法及配极原理给出二次曲线中点弦存在性定理的证明。
In this paper, the existence theorem of midpoint chord of quadratic curve, as well as its proof, is given via methods of projective geometry and polarity principle.
系统地研究了来自于射影几何中平面曲线运动的1 + 1维非线性方程的对称代数。
The symmetry algebras of 1 + 1 dimensional nonlinear evolution equation arising from the motion of plane curve in affine geometry are systematically studied.
本文讨论了任意函数类的一条光滑平面参数曲线段，在适当的射影变换下，可以变为相应的有理形式的平面三阶参数曲线。
By using a certain projective transformation, a smooth planar parametric curve with any function may be changed into a new planar parametric curve of order 3 in a rational form.
本文讨论了任意函数类的一条光滑平面参数曲线段，在适当的射影变换下，可以变为相应的有理形式的平面三阶参数曲线。
By using a certain projective transformation, a smooth planar parametric curve with any function may be changed into a new planar parametric curve of order 3 in a rational form.
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