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About Us

Lotfi Tadj

Lotfi Tadj earned the BS in Mathematics at Houari Boumediene University, Algiers, Algeria, in 1983; the MS in Applied Mathematics at Carnegie-Mellon University, Pittsburgh, PA, in 1986; and the PhD in Operations Research at Florida Institute of Technology, Melbourne, FL, in 1993. He is currently an Assistant Professor in the Department of Information Systems and Decision Sciences, Silberman School of Business, Fairleigh Dickinson University in Vancouver, BC, Canada. His research interests include the optimal control of queueing and inventory systems. He is an Editorial Board Member of the Journal of Probability and Statistical Science. He has numerous publications in journals of operations research, statistics, and applied mathematics.

Publications

An Unreliable Batch Arrival Retrial Queueing System With Bernoulli Vacation Schedule and Linear Repeated Attempts: Unreliable Retrial System With Bernoulli Schedule

This article deals with the steady-state behavior of an MX/G/1 retrial queue with the Bernoulli vacation schedule and unreliable server, under linear retrial policy. Breakdowns...

Analysis of Two Phases Queue With Vacations and Breakdowns Under T-Policy

The service system considered in this chapter is characterized by an unreliable server. Random breakdowns occur on the server and the repair may not be immediate. The authors...

Analysis of Two Phases Queue With Vacations and Breakdowns Under T-Policy

The service system considered in this chapter is characterized by an unreliable server. Random breakdowns occur on the server and the repair may not be immediate. We assume the...

Optimal Policy for an Unreliable Service System