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.

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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.

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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 .

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