123 citations · 411 across the 36 of their papers we have counts for
38 papers
Jumping Fluid Models and Delay Stability of Max-Weight Dynamics under Heavy-Tailed Traffic
Arsalan Sharifnassab, John N. Tsitsiklis
We say that a random variable is - if moments of order are finite for some ; otherwise, we say that it is -. We study queueing networks tha…
Stability, memory, and messaging tradeoffs in heterogeneous service systems
David Gamarnik, John N. Tsitsiklis, Martin Zubeldia
We consider a heterogeneous distributed service system, consisting of servers with unknown and possibly different processing rates. Jobs with unit mean and independent processi…
Nonexpansive Piecewise Constant Hybrid Systems are Conservative
Arsalan Sharifnassab, John N. Tsitsiklis, S. Jamaloddin Golestani
Consider a partition of into finitely many polyhedral regions and associated drift vectors . We study ``hybrid'' dynamical systems whose trajectories have a…
Blind identification of stochastic block models from dynamical observations
Michael T. Schaub, Santiago Segarra, John N. Tsitsiklis
We consider a blind identification problem in which we aim to recover a statistical model of a network without knowledge of the network's edges, but based solely on nodal observati…
Fluctuation Bounds for the Max-Weight Policy, with Applications to State Space Collapse
Arsalan Sharifnassab, John N. Tsitsiklis, S. Jamaloddin Golestani
We consider a multi-hop switched network operating under a Max-Weight (MW) scheduling policy, and show that the distance between the queue length process and a fluid solution remai…
A lower bound on the queueing delay in resource constrained load balancing
David Gamarnik, John N. Tsitsiklis, Martin Zubeldia
We consider the following distributed service model: jobs with unit mean, general distribution, and independent processing times arrive as a renewal process of rate , with $0<λ…