Network topology and communication-computation tradeoffs in decentralized optimization

A Nedić, A Olshevsky, MG Rabbat - Proceedings of the IEEE, 2018 - ieeexplore.ieee.org
In decentralized optimization, nodes cooperate to minimize an overall objective function that
is the sum (or average) of per-node private objective functions. Algorithms interleave local …

A kernel-based compressive sensing approach for mobile data gathering in wireless sensor network systems

H Zheng, W Guo, N Xiong - IEEE Transactions on Systems …, 2017 - ieeexplore.ieee.org
The recent advances of compressive sensing (CS) have witnessed a great potential of
efficient compressive data gathering (CDG) in wireless sensor network systems (WSNSs) …

Data gathering with compressive sensing in wireless sensor networks: A random walk based approach

H Zheng, F Yang, X Tian, X Gan… - IEEE Transactions on …, 2014 - ieeexplore.ieee.org
In this paper, we study the problem of data gathering with compressive sensing (CS) in
wireless sensor networks (WSNs). Unlike the conventional approaches, which require …

[PDF][PDF] Hitting and commute times in large random neighborhood graphs

U Von Luxburg, A Radl, M Hein - The Journal of Machine Learning …, 2014 - jmlr.org
In machine learning, a popular tool to analyze the structure of graphs is the hitting time and
the commute distance (resistance distance). For two vertices u and v, the hitting time Huv is …

Linear time average consensus and distributed optimization on fixed graphs

A Olshevsky - SIAM Journal on Control and Optimization, 2017 - SIAM
We describe a protocol for the average consensus problem on any fixed undirected graph
whose convergence time scales linearly in the total number nodes n. The protocol relies …

Age optimal information gathering and dissemination on graphs

V Tripathi, R Talak, E Modiano - IEEE Transactions on Mobile …, 2021 - ieeexplore.ieee.org
We consider the problem of timely exchange of updates between a central station and a set
of ground terminals, via a mobile agent that traverses across the ground terminals along a …

Compressive sensing based random walk routing in wireless sensor networks

MT Nguyen, KA Teague - Ad Hoc Networks, 2017 - Elsevier
Random walk (RW) routing for monitoring purposes in Wireless Sensor Networks (WSNs)
has been proven to be an energy-efficient method. In this paper, we exploit the integration …

Randomized 3D geographic routing

R Flury, R Wattenhofer - IEEE INFOCOM 2008-The 27th …, 2008 - ieeexplore.ieee.org
We reconsider the problem of geographic routing in wireless ad hoc networks. We are
interested in local, memoryless routing algorithms, ie each network node bases its routing …

[PDF][PDF] Getting lost in space: Large sample analysis of the commute distance

U Von Luxburg, A Radl, M Hein - Advances in neural …, 2010 - proceedings.neurips.cc
This supplement is devoted to the proof of our main results: Theorems 2 and 3 of the main
paper. For convenience, we formulate all proofs in terms of the effective resistance between …

Linear time average consensus on fixed graphs and implications for decentralized optimization and multi-agent control

A Olshevsky - arXiv preprint arXiv:1411.4186, 2014 - arxiv.org
We describe a protocol for the average consensus problem on any fixed undirected graph
whose convergence time scales linearly in the total number nodes $ n $. The protocol is …