A Large Deviation Upper Bound for a Buffer overflow event of a Markov Modulated Queuing Network, September 2007, [pdf]
Asymptotically Optimal Importance Sampling for Jackson Networks with a Tree Topology, Jan 2007, [Arxiv]
Dynamic importance sampling for queueing networks with Markov modulated arrivals and services, Nov 2006 [pdf]
Two representation results for the largest eigenvalues of matrices with positive entries, Nov 2006 [pdf]
Dynamic importance sampling for queueing networks, Ph.D. thesis, Brown University, November 2005. [ps] (10M), [pdf] (2.8M)
Dynamic importance sampling for queueing networks, with Paul Dupuis and Hui Wang. Submitted to Annals of Applied Probability. [pdf]
A remark on unified error exponents: Hypothesis testing, data compression and measure concentration, with Ioannis Kontoyiannis, Barcelona Conference on Stochastic Inequalities and Their Applications, Spain, 2002; published in Progress in Probability, vol 56, pp. 23-32, Birkhauser, Basel/Switzerland, 2003. [pdf]