Please use this identifier to cite or link to this item: https://hdl.handle.net/1959.11/62028
Title: Combining Two Worlds: Parameterised Approximation for Vertex Cover
Contributor(s): Brankovic, Ljiljana  (author)orcid ; Fernau, Hening (author)
Publication Date: 2010
DOI: 10.1007/978-3-642-17517-6_35
Handle Link: https://hdl.handle.net/1959.11/62028
Abstract: 

We explore opportunities for parameterising constant factor approximation algorithms for vertex cover. We provide a simple algorithm that works on any approximation ratio of the form and has complexity that outperforms an algorithm by Bourgeois et al. derived from a sophisticated exact parameterised algorithm. In particular, for l=1 (factor 1.5 approximation) our algorithm runs in time. Additionally, we present an improved polynomial-time approximation algorithm for graphs of average degree four.

Publication Type: Conference Publication
Conference Details: ISAAC 2010: 21st Annual International Symposium on Algorithms and Computations (ISAAC), Jeju Island, Korea (Republic of), 15th to 17th of December, 2010
Source of Publication: 21st International Symposium, ISAAC 2010, Jeju Island, Korea, December 15-17, 2010, Proceedings, Part I, v.6506, p. 390-402
Publisher: Springer
Place of Publication: United States of America
ISSN: 0302-9743
1611-3349
Fields of Research (FoR) 2020: 461305 Data structures and algorithms
Socio-Economic Objective (SEO) 2020: 220499 Information systems, technologies and services not elsewhere classified
HERDC Category Description: E1 Refereed Scholarly Conference Publication
Series Name: Lecture Notes in Computer Science
Series Number : 6506
Appears in Collections:Conference Publication
School of Science and Technology

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