A Faster Exact Algorithm for the Directed Maximum Leaf Spanning Tree Problem
Identifieur interne : 001719 ( Istex/Corpus ); précédent : 001718; suivant : 001720A Faster Exact Algorithm for the Directed Maximum Leaf Spanning Tree Problem
Auteurs : Daniel Binkele-Raible ; Henning FernauSource :
- Lecture Notes in Computer Science [ 0302-9743 ] ; 2010.
Abstract
Abstract: Given a directed graph G = (V,A), the Directed Maximum Leaf Spanning Tree problem asks to compute a directed spanning tree with as many leaves as possible. By designing a branching algorithm analyzed with Measure&Conquer, we show that the problem can be solved in time ${\mathcal{O}}^*({1.9044}^n)$ using polynomial space. Allowing exponential space, this run time upper bound can be lowered to ${\mathcal{O}}^*(1.8139^n)$ .
Url:
DOI: 10.1007/978-3-642-13182-0_31
Links to Exploration step
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<front><div type="abstract" xml:lang="en">Abstract: Given a directed graph G = (V,A), the Directed Maximum Leaf Spanning Tree problem asks to compute a directed spanning tree with as many leaves as possible. By designing a branching algorithm analyzed with Measure&Conquer, we show that the problem can be solved in time ${\mathcal{O}}^*({1.9044}^n)$ using polynomial space. Allowing exponential space, this run time upper bound can be lowered to ${\mathcal{O}}^*(1.8139^n)$ .</div>
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<role><roleTerm type="text">editor</roleTerm>
</role>
</name>
<name type="personal"><namePart type="given">Gerhard</namePart>
<namePart type="family">Weikum</namePart>
<affiliation>Max-Planck Institute of Computer Science, Saarbrücken, Germany</affiliation>
<role><roleTerm type="text">editor</roleTerm>
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</name>
<originInfo><copyrightDate encoding="w3cdtf">2010</copyrightDate>
<issuance>serial</issuance>
</originInfo>
<identifier type="ISSN">0302-9743</identifier>
<identifier type="eISSN">1611-3349</identifier>
<identifier type="SeriesID">558</identifier>
<recordInfo><recordOrigin>Springer-Verlag Berlin Heidelberg, 2010</recordOrigin>
</recordInfo>
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<identifier type="istex">92E8A85F6DE5A50D60C19FBA7ADF63DFAE8DB524</identifier>
<identifier type="DOI">10.1007/978-3-642-13182-0_31</identifier>
<identifier type="ChapterID">31</identifier>
<identifier type="ChapterID">Chap31</identifier>
<accessCondition type="use and reproduction" contentType="copyright">Springer-Verlag Berlin Heidelberg, 2010</accessCondition>
<recordInfo><recordContentSource>SPRINGER</recordContentSource>
<recordOrigin>Springer-Verlag Berlin Heidelberg, 2010</recordOrigin>
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