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What and Who

Rumor Spreading and Vertex Expansion

Thomas Sauerwald
Max-Planck-Institut für Informatik - D1
AG1 Mittagsseminar (own work)
AG 1  
AG Audience
English

Date, Time and Location

Friday, 3 December 2010
13:00
30 Minutes
E1 4
024
Saarbrücken

Abstract

We study the relation between the vertex expansion of a graph and the performance of randomized rumor spreading (push model). We prove that randomized rumor spreading takes O( (1/alpha) * polylog(n) ) time on any regular n-vertex graph with vertex expansion alpha. This bound improves on previously known upper bounds by essentially replacing the conductance of the graph by its vertex expansion.

(joint work with Alexandre Stauffer)

Contact

Thomas Sauerwald
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Tags, Category, Keywords and additional notes

Randomized Algorithms; Distributed Computing

Thomas Sauerwald, 11/18/2010 11:38
Thomas Sauerwald, 11/16/2010 22:37 -- Created document.