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DM
2000
150views more  DM 2000»
14 years 11 months ago
A note on generalized chromatic number and generalized girth
Erdos proved that there are graphs with arbitrarily large girth and chromatic number. We study the extension of this for generalized chromatic numbers. Generalized graph coloring d...
Béla Bollobás, Douglas B. West
NETWORKING
2010
15 years 1 months ago
Synapse: A Scalable Protocol for Interconnecting Heterogeneous Overlay Networks
This paper presents Synapse, a scalable protocol for information retrieval over the inter-connection of heterogeneous overlay networks. Applications on top of Synapse see those int...
Luigi Liquori, Cédric Tedeschi, Laurent Van...
STOC
2007
ACM
134views Algorithms» more  STOC 2007»
16 years 1 days ago
Hardness of routing with congestion in directed graphs
Given as input a directed graph on N vertices and a set of source-destination pairs, we study the problem of routing the maximum possible number of source-destination pairs on pat...
Julia Chuzhoy, Venkatesan Guruswami, Sanjeev Khann...
STOC
2006
ACM
174views Algorithms» more  STOC 2006»
16 years 1 days ago
Edge-disjoint paths in Planar graphs with constant congestion
We study the maximum edge-disjoint paths problem in undirected planar graphs: given a graph G and node pairs s1t1, s2t2, . . ., sktk, the goal is to maximize the number of pairs t...
Chandra Chekuri, Sanjeev Khanna, F. Bruce Shepherd
SIGMETRICS
2012
ACM
253views Hardware» more  SIGMETRICS 2012»
13 years 2 months ago
Characterizing continuous time random walks on time varying graphs
In this paper we study the behavior of a continuous time random walk (CTRW) on a stationary and ergodic time varying dynamic graph. We establish conditions under which the CTRW is...
Daniel R. Figueiredo, Philippe Nain, Bruno F. Ribe...