Distributed computation of the Fiedler vector with application to topology inference in ad hoc networks

A Bertrand, M Moonen - Signal Processing, 2013 - Elsevier
The Fiedler vector of a graph is the eigenvector corresponding to the smallest non-trivial
eigenvalue of the graph's Laplacian matrix. The entries of the Fiedler vector are known to …

Seeing the bigger picture: How nodes can learn their place within a complex ad hoc network topology

A Bertrand, M Moonen - IEEE Signal Processing Magazine, 2013 - ieeexplore.ieee.org
This article explained how nodes in a network graph can infer information about the network
topology or its topology related properties, based on in-network distributed learning, ie …

Distributed random walks

A Das Sarma, D Nanongkai, G Pandurangan… - Journal of the ACM …, 2013 - dl.acm.org
Performing random walks in networks is a fundamental primitive that has found applications
in many areas of computer science, including distributed computing. In this article, we focus …

Xheal: localized self-healing using expanders

G Pandurangan, A Trehan - Proceedings of the 30th annual ACM …, 2011 - dl.acm.org
We consider the problem of self-healing in reconfigurable networks (eg peer-to-peer and
wireless mesh networks) that are under repeated attack by an omniscient adversary and …

On the efficiency of social recommender networks

FMF Wong, Z Liu, M Chiang - IEEE/ACM Transactions on …, 2015 - ieeexplore.ieee.org
We study a fundamental question that arises in social recommender systems: whether it is
possible to simultaneously maximize: 1) an individual's benefit from using a social network …

Fast distributed computation in dynamic networks via random walks

A Das Sarma, AR Molla, G Pandurangan - International Symposium on …, 2012 - Springer
The paper investigates efficient distributed computation in dynamic networks in which the
network topology changes (arbitrarily) from round to round. Random walks are a …

Efficient distributed random walks with applications

A Das Sarma, D Nanongkai, G Pandurangan… - Proceedings of the 29th …, 2010 - dl.acm.org
We focus on the problem of performing random walks efficiently in a distributed network.
Given bandwidth constraints, the goal is to minimize the number of rounds required to obtain …

Efficient random walk sampling in distributed networks

AD Sarma, AR Molla, G Pandurangan - Journal of Parallel and Distributed …, 2015 - Elsevier
Performing random walks in networks is a fundamental primitive that has found numerous
applications in communication networks such as token management, load balancing …

Fast convention formation in dynamic networks using topological knowledge

M Hasan, A Raja, A Bazzan - Proceedings of the AAAI Conference on …, 2015 - ojs.aaai.org
In this paper, we design a distributed mechanism that is able to create a social convention
within a large convention space for multiagent systems (MAS) operating on various …

Apparatus and method for detecting critical nodes and critical links in a multi-hop network

SN Kolavennu - US Patent 8,948,053, 2015 - Google Patents
A method includes obtaining a matrix defining a topology of a multi-hop network, where the
topology identifies nodes and links between the nodes in the multi-hop network. The method …