Norman Johnson Professor, Director of Admissions for M.S. program, Director of Graduate Studies for INSTORE
322 Hanes Hall
(919) 962-3837
Personal website

Stochastic Models of Queues, Telecommunications, Warranties, Supply Chains and Health Services


B.Tech, Mechanical Engineering, Indian Institute of Technology, Bombay (1976)
M.S., Ph.D., Operations Research, Cornell University (1980)

Professional Background:

Professor, University of North Carolina (1981 – )

Visiting Assistant Professor, College of Management, Georgia Institute of Technology (1981-1982)

Selected Publications:

Discrete Time Markov Chains, Section 7.7 in CRC Handbook on Dicrete and Combinatorial Mathematics, CRC Press, 2000, 468-476.

Queueing theory, Section 7.8 in CRC Handbook on Dicrete and Combinatorial Mathematics, CRC Press, 477-483, 2000.

Optimal Control of Retrial Queues, with H. M. Liang, Applied Probability and Stochastic Process, Eds: J. G. Shanthikumar and U. Sumita, 203-219 1999.

Optimal Scheduling of Reader-Writer Systems, with K. D. Glazebrook and L.C. Puryear, Naval Research Quarterly, Vol. 45, 483-495, 1998.

Admission Control of multi-class traffic with service priorities in high-speed networks, with N. Gautam, QUESTA, Vol. 27, 79-97, 1997.

Optimal Admission Control of Markov-Modulated Batch Arrivals to a Finite Capacity Buffer, with T. E. Tedijanto, Stochastic Models, Vol. 14, 95-122, 1998.

Fluid Models for Single Buffer Systems, Frontiers in Queueing: Models and Applications in Science and Engineering, Ed. J. H. Dshalalow, CRC Press, 321-338, 1997.

Complete Listing.

Research Interests:

Computer Performance Models
Internet Traffic Models
Cogestion Models for Telecommunications Systems
Stochastic Models for Supply Chain Management
Queueing Systems
Stochastic Processes