3 papers
cs.DM2019
Graph Spanners: A Tutorial Review
Reyan Ahmed, Greg Bodwin, Faryad Darabi Sahneh +4
This tutorial review provides a guiding reference to researchers who want to have an overview of the large body of literature about graph spanners. It reviews the current literatur…
cs.DM2019
Multi-Level Graph Sketches via Single-Level Solvers
Reyan Ahmed, Keaton Hamm, Mohammad Javad Latifi Jebelli +3
Given an undirected weighted graph , a constrained sketch over a terminal set is a subgraph that connects the terminal vertices while satisfying a given s…
cs.DM2019
Approximation algorithms and an integer program for multi-level graph spanners
Reyan Ahmed, Keaton Hamm, Mohammad Javad Latifi Jebelli +3
Given a weighted graph and , a subgraph is a \emph{--spanner} of if the lengths of shortest paths in are preserved in up to a multiplicative fa…