Connected Feedback Vertex Set, in Planar Graphs

被引：17

作者：

Grigoriev, Alexander ^{[1
]}

Sitters, Rene ^{[2
]}

机构：

[1] Maastricht Univ, Dept Quantitat Econ, Maastricht, Netherlands

[2] Vrije Univ Amsterdam, Dept Econometr & Operat Res, Amsterdam, Netherlands

来源：

GRAPH-THEORETIC CONCEPTS IN COMPUTER SCIENCE | 2010年 / 5911卷

关键词：

APPROXIMATION ALGORITHMS;

D O I：

10.1007/978-3-642-11409-0_13

中图分类号：

TP301 [理论、方法];

学科分类号：

081202 ;

摘要：

We study the problem of finding a minimum tree spanning the faces of a given planar graph. We show that a constant factor approximation follows from the unconnected version if the minimum degree is 3. Moreover, we present; a polynomial time approximation scheme for both the connected and unconnected version.

引用

页码：143 / +

页数：3

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