research unit 1

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Type of publication:Inproceedings
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TitleThe Second Eigenvalue of Random Walks on Symmetric Random Intersection Graphs
Bibtex cite IDRACTI-RU1-2007-15
Booktitle International Conference on Algebraic Informatics (CAI 2007)
Year published 2007
Month May
Volume 4728/2007
Pages 236-246
Location Thessaloniki, Greece
URL http://web.auth.gr/cai07/home.htm
DOI 10.1007/978-3-540-75414-5
Abstract
In this paper we examine spectral properties of random intersection graphs when the number of vertices is equal to the number of labels. We call this class symmetric random intersection graphs. We examine symmetric random intersection graphs when the probability that a vertex selects a label is close to the connectivity threshold $\tau_c$. In particular, we examine the size of the second eigenvalue of the transition matrix corresponding to the Markov Chain that describes a random walk on an instance of the symmetric random intersection graph $G_n, n, p$. We show that with high probability the second eigenvalue is upper bounded by some constant $\zeta < 1$.
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 paper24cr.pdf (main file) Short description of problem, previous work and result presentationCAI07.pdf

Publication ID21