o(log4  n) time parallel maximal matching algorithm using linear number of processors

Computing maximal matching of a graph having n vertices in parallel within time using a linear number of processors on the EREW-PRAM is an open problem [Karp, R.M. and Ramachandran, V. (1990) "Parallel algorithms for shared-memory machines", In: van Leeuwen, J., ed., Handbook of Theoretica...

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Veröffentlicht in:Parallel algorithms and applications Jg. 19; H. 1; S. 19 - 32
Hauptverfasser: Kumar Datta, Alak, Kumar Sen†, Ranjan
Format: Journal Article
Sprache:Englisch
Veröffentlicht: Taylor & Francis GroupAbingdon, UK 01.03.2004
Schlagworte:
F.2.2
Matching
Parallel graph algorithms
Parallel random access machines
Vertex cover
ISSN:1063-7192
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Zusammenfassung:Computing maximal matching of a graph having n vertices in parallel within time using a linear number of processors on the EREW-PRAM is an open problem [Karp, R.M. and Ramachandran, V. (1990) "Parallel algorithms for shared-memory machines", In: van Leeuwen, J., ed., Handbook of Theoretical Computer Science, Vol. A, pp 869-941]. In this paper, we resolve this by presenting a parallel algorithm on the EREW-PRAM that works in time using O(n) number of processors, where Δ(G) is the degree of the graph.
ISSN:1063-7192
DOI:10.1080/1063719042000208827