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- Sandeep Juneja, Perwez Shahabuddin, Anurag Chandra
- WSC '99
- 1999

Consider the problem of estimating the small probability that the maximum of a random walk exceeds a large threshold, when the process has a negative drift and the underlying random variables may have heavy tailed distributions. We consider one class of such problems that has applications in estimating the ruin probability associated with insurance claim… (More)

- Michael B. Gordy, Sandeep Juneja
- Management Science
- 2010

The opinions expressed here are our own, and do not reflect the views of the Board of Governors or its staff.

- Achal Bassamboo, Sandeep Juneja, Assaf J. Zeevi
- Operations Research
- 2008

We consider the risk of a portfolio comprised of loans, bonds, and financial instruments that are subject to possible default. In particular, we are interested in performance measures such as the probability that the portfolio incurs large losses over a fixed time horizon and the expected excess loss given that large losses are incurred during this horizon.… (More)

- Peter W. Glynn, Sandeep Juneja
- Proceedings of the 2004 Winter Simulation…
- 2004

We consider the problem of optimal allocation of computing budget to maximize the probability of correct selection in the ordinal optimization setting. This problem has been studied in the literature in an approximate mathematical framework under the assumption that the underlying random variables have a Gaussian distribution. We use the large deviations… (More)

- Cheng-Shang Chang, Philip Heidelberger, Sandeep Juneja, Perwez Shahabuddin
- Perform. Eval.
- 1994

We consider the eecient estimation, via simulation, of very low buuer overrow probabilities in certain acyclic ATM queueing networks. We apply the theory of eeective bandwidths and Markov additive processes to derive an asymptotically optimal simulation scheme for estimating such probabilities for a single queue with multiple independent sources, each of… (More)

- Sandeep Juneja, Nahum Shimkin
- Queueing Syst.
- 2013

We consider the non-cooperative choice of arrival times by individual users, who seek service at a first-come first-served queueing system that opens up at a given time. Each user wishes to obtain service as early as possible, while minimizing the expected wait in the queue. This problem was recently studied within a simplified fluid-scale model. Here we… (More)

- Sandeep Juneja, Perwez Shahabuddin
- Management Science
- 2001

- Sandeep Juneja, Perwez Shahabuddin
- IEEE Trans. Reliability
- 2001

- Søren Asmussen, Jose H. Blanchet, Sandeep Juneja, Leonardo Rojas-Nandayapa
- Annals OR
- 2011

We consider the problem of efficient estimation of tail probabilities of sums of correlated lognormals via simulation. This problem is motivated by the tail analysis of portfolios of assets driven by correlated Black-Scholes models. We propose two estimators that can be rigorously shown to be efficient as the tail probability of interest decreases to zero.… (More)

- Paul Glasserman, Sandeep Juneja
- Math. Oper. Res.
- 2008

Successful efficient rare-event simulation typically involves using importance sampling tailored to a specific rare event. However, in applications one may be interested in simultaneous estimation of many probabilities or even an entire distribution. In this paper, we address this issue in a simple but fundamental setting. Specifically, we consider the… (More)