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
收藏
页码：143 / +
页数：3
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