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[期刊论文] 作者：LIU Yanpei(,
来源：中国科学：数学英文版 年份：2001
This paper discusses the development of Boolean methods in some topics on graph em-beddings which are related to VLSI. They are mainly the general theory of gra...
[期刊论文] 作者：Wu Faen,Liu Yanpei,
来源：数学物理学报 年份：2004
In addition to the known method given in [1],authors provide other three methods to the enumeration of one-vertex maps with face partition on the plane.Correspo...
[期刊论文] 作者：REN Han,Liu Yanpei,
来源：数学物理学报 年份：2004
It is well known that any kind of exact enumerations of rooted maps on nonplanar surface is quite difficult.This paper presents a functional equation for rooted...
[期刊论文] 作者：HUANG YUANQIU,LIU YANPEI,
来源：数学年刊B辑（英文版） 年份：2004
It is known (for example see [2]) that the maximum genus of a graph is mainly determined by the Betti deficiency of the graph. In this paper, the authors establ...
[期刊论文] 作者：REN Han,Liu Yanpei,
来源：黑龙江科技学院学报 年份：2000
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...
[期刊论文] 作者：REN Han,Liu Yanpei,Ma Dengju,L,
来源：数学物理学报（英文版） 年份：2004
Cycle base theory of a graph has been well studied in abstract mathematical field such matroid theory as Whitney and Tutte did and found many applications in pr...
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