On Floor-Plan of Plane Graphs

On Floor-Plan of Plane Graphs
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平面图的平面图

DOI:
10.1137/s0097539796308874
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发表时间:
1999
期刊:
SIAM J. Comput.
影响因子:
--
通讯作者:
Xin He
Xin He
中科院分区:
--
文献类型:
--
作者:
Xin He

文献摘要

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平面图是一个矩形,被分割成一组不相交的直线多边形区域(称为模块)。平面图F表示平面图G如下:G的每个顶点对应于F的一个模,并且G中的两个顶点相邻当且仅当它们对应的模共享一个公共边界。平面图在超大规模集成电路芯片设计中得到应用。 如果模M是k个不相交矩形的并集,则M称为k-矩形模。这是在[K]中显示的。H.是的,M. Sarrafzadeh,SIAM J. Comput.,22(1993),pp. 500- 526]证明了每个三角平面图G都有一个使用1-、2-和3-矩形模的平面图。在本文中,我们提出了一个简单的线性时间算法,构造一个平面图G只使用1-和2-矩形模块。
A floor-plan is a rectangle partitioned into a set of disjoint rectilinear polygonal regions (called modules). A floor-plan F represents a plane graph G as follows: Each vertex of G corresponds to a module of F and two vertices are adjacent in G iff their corresponding modules share a common boundary. Floor-plans find applications in VLSI chip design. If a module M is a union of k disjoint rectangles, M is called a k-rectangle module. It was shown in [K.-H. Yeap and M. Sarrafzadeh, SIAM J. Comput., 22 (1993), pp. 500--526] that every triangulated plane graph G has a floor-plan using 1-, 2-, and 3-rectangle modules. In this paper, we present a simple linear time algorithm that constructs a floor-plan for G using only 1- and 2-rectangle modules.