We show that a flow or a semiflow with a weak form of reparametrized gluing orbit property has positive topological entr......

为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......

本文采用一种重新参数化方法,计算比Mobius变换简单,通用性强.对这种重新参数化方法研究表明,该方法含有单一自由度,重新参数化一......

本文给出了张量积Ｂｅｚｉｅｒ体的广义散离定理，并得到了计算新的Ｂｅｚｉｅｒ控制顶点的显式公式。......

本文推广了有理Ｂｅｚｉｅｒ曲面的离散算法，得到了沿非等参数离散矩形域上有理Ｂｅｚｉｅｒ曲面的割角算法，并给出了从有理Ｂｅｚｉｅｒ矩形片到有理Ｂｅｚｉｅｒ三角片的割角转换。......

We show that a flow or a semiflow with a weak form of reparametrized gluing orbit property has positive topological entr......

<正> We give a proper reparametrization theorem for a set of rational parametric equationswhich is proper for all but on......