research unit 1
 

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Publication

Type of publication:Inproceedings
Entered by:
TitleExpander Properties and the Cover Time of Random Intersection Graphs
Bibtex cite IDRACTI-RU1-2007-16
Booktitle International Symposium on Mathematical Foundations of Computer Science (MFCS 2007)
Series Lecture Notes in Computer Science
Year published 2007
Month August
Volume 4708/2007
Pages 44-55
Publisher Springer Berlin / Heidelberg
Location Cesky Krumlov, CZech Republic
URL http://mfcs.mff.cuni.cz/
Abstract
We investigate important combinatorial and algorithmic properties of $G_n, m, p$ random intersection graphs. In particular, we prove that with high probability (a) random intersection graphs are expanders, (b) random walks on such graphs are ``rapidly mixing" (in particular they mix in logarithmic time) and (c) the cover time of random walks on such graphs is optimal (i.e. it is $\Theta(n \logn)$). All results are proved for $p$ very close to the connectivity threshold and for the interesting, non-trivial range where random intersection graphs differ from classical $G_n, p$ random graphs.
Authors
Nikoletseas, Sotiris
Raptopoulos, Christoforos
Spirakis, Paul
Topics
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RISRIS
Attachments
fullpaper113.pdf (main file)
Short description of problem, previous work and result
presentationMFCS07.pdf
 
Publication ID22