Professional Activities
Invited Lectures, Presentations & Seminars Conference Presentations
Conference Committee Member & Session Organizer Visiting Professor
Proposal Reviewer/ Panel Member Journal & Conference Referee

Invited Lectures, Presentations & Seminars

1. “Modeling Nonrecurrent Congestion,” will be presented at the INFORMS Conference in Washington D.C., October 2008.

2. “Multiserver queues in random environment”, will be presented at the INFORMS Conference in Washington D.C., October 2008.

3. “Traffic Flow Models and Incident Management,” presented at the INFORMS Conference in Pittsburgh, November 2006.

4. “M/M/C Queues with Markov Modulated Service Processes,” (with Z. Duan*) Valuetools-First International Conference on Performance Evaluation Methodologies and Tools, Pisa , October, 2006.

5. “Queues with Markov Modulated Service,” presented at the Dept of Applied Mathematics and Statistics at SUNY-Stony Brook, March 2006.

6. “Queues with Markov-Modulated Service Rates,” presented at the INFORMS Conference in San Francisco, November 2005.

7. “Probabilistic Programming Models for Dispatching and Resource Allocation in TIM,” (with W. Xiao *, C. Iyigün* and K. Ozbay) presented at the INFORMS Conference in San Francisco, November 2005.

8. “Queues with Markov-Modulated Service Rates,” presented at the IE Dept. at Lehigh University Sept. 2004.

9. “Stochastic Decomposition in M/M/Infinity Queues with Markov-Modulated Service Rates,” (with W. Xiao *) presented at RUTCOR, April 2004.

10. “Inventory Control under Substitutable Demand”, (with M. Avsar*), IERC, May 10, 2004.

11. “Integrating PID Controllers into SPC Applications,” (with T. Nugent*) presented at the INFORMS Conference in Philadelphia, November 1999.

12. “Undiscounted Two-Person Zero-Sum Stochastic Games,” (with Z. M. Avsar*) presented at the INFORMS Conference in Philadelphia, November 1999.

13. “Two-Person Zero-Sum Stochastic Games,” presented at the Industrial Engineering Department at Bogazici University, Turkey , July 1998.

14. “Look-Back Policies for Production/Inventory Systems,” (with Tayfur Altiok) presented at INFORMS Israel, June-July, 1998.

15. “Semi-Markov Decision Processes: Nonstandard Criteria,” Proceedings IEEE Regional NY/NJ Control Conference, August 1994.

16. “Load Sharing Processors with Failures,” (with T. Altiok, C. Vu Duy) Proceedings IEEE Regional NY/NJ Control Conference, August 1994.

17. “Control of Manufacturing Processes,” Advanced Queueing Seminar, RUTCOR, May, 1994.

18. “Control of a Batch Server Serving a Number of Closed Queues,” (with S. Ruan and M. Jafari) IIE 3rd Research Conference, Atlanta , May 1994.

19. “The Correspondence between the Stochastic Game and the Deterministic Generalized Game,” ORSA-TIMS Joint National Meeting, Phoenix , October 1993.

20. “Applications of Markov Decision Processes to Production Systems,” ORSA-TIMS Joint National Meeting, Phoenix , October 1993.

21. “Semi-Markov Decision Processes: Nonstandard Criteria,” ORSA-TIMS Joint National Meeting, Phoenix , October 1993.

22. “Markov Decision Processes,” Rutgers University , WINLAB Seminar Series, 1990.

23. “A Sample-Path Approach to Time-Average Markov Decision Processes,” Bell Communications Research Seminar Series, Morristown , New Jersey , December 1989.

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Conference Presentations

1. “Modeling Interrupted Traffic Flow,” will be presented at the MEETING OF THE EURO WORKING GROUP ON STOCHASTIC MODELING 2008, June 23-25, Istanbul , Turkey .

2. “Queues with Markov Modulated Service Rates,” presented at the INFORMS Applied Probability Conference, Ottawa , July 2005.

3. “Integrating PID Controllers into SPC Applications,” (with T. Nugent* and K. Gürsoy) presented at the INFORMS Conference in Istanbul, July 2003.

4. “M/M/C Queues under Batch Service Interruptions,” (with W. Xiao *, and K. Ozbay) presented at the INFORMS Conference in Istanbul, July 2003.

5. “Undiscounted Two-Person Zero-Sum Communicating Stochastic Games,” (with Z. M. Avsar*) presented at the IEEE Conference on Decision and Control, Phoenix , Arizona , December 1999.

6. “Two-Person Zero-Sum Communicating Stochastic Games,” (with Z. M. Avsar*) presented at the National Conference on Operations Research, Turkey , June, 1998.

7. “A Decomposition Approach for Undiscounted Two-Person Zero-Sum Stochastic Games,” (with Z. M. Avsar*) presented at the National Conference on Operations Research, Turkey , June, 1998.

8. “Inventory Control under Substitutable Demand: A Stochastic Game Application,” (with Z. M. Avsar*) presented at the National Conference on Operations Research, Turkey , June, 1998.

9. “Control Policies for Two-Stage, Pull-Type Production/Inventory Systems with Constrained Average Cost Criterion,” (with H. Danhong*) IIE 2nd Research Conference, Los Angeles , April 1993.

10. “Look-Back Policies for Two-Stage, Pull-Type Production/Inventory Systems,” (with T. Altiok and H. Danhong*) ORSA-TIMS Joint National Conference, San Francisco , November 1992.

11. “Performance Analysis Using Minimax Algebra,” (with M. Jafari) ORSA-TIMS Joint National Conference, New York , October 1989.

12. “A Decomposition Algorithm for Multichain Stochastic Games,” (with K. W. Ross) ORSA-TIMS Joint National Conference, Washington DC , April 1988.

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Conference Committee Member & Session Organizer

1. Technical Program Committee Member for the 3rd.  International Conf. On Performance Evaluation Methodologies and Tools, Athens , Greece , October 2008.

2. Technical Program Committee Member for the 2nd International Conf. On Performance Evaluation Methodologies and Tools, Nantes , France , October 2007.

3. Technical Program Committee Member for the 1st International Conf. On Performance Evaluation Methodologies and Tools, Pisa , Italy , October 2006.

4. Conference Program Committee Member: “Telecommunications,” IEEE Regional NY/NJ Control Conference, August 1994.

5. Sponsored Session Organizer and Chair: “Modeling and Control of Recurrent and Nonrecurrent Congestion,” INFORMS Conference, Washington D.C., October 2008.

6. Sponsored Session Organizer and Chair: “Queues in Random Environment,” INFORMS Conference, Washington D.C. , October 2008.

7. Session Chair for two sessions: Queueing Systems I and Petri Nets: Theory and Application, at the 1st International Conf. On Performance Evaluation Methodologies and Tools, Pisa , Italy , October 2006.

8. Session Organizer and Chair: “Stochastic Modeling and Control,” INFORMS, Washington DC , 1995.

9. Session Chair: “Telecommunications,” IEEE Regional NY/NJ Control Conference, August 1994.

10. Session Organizer and Chair: “Queueing,” IIE 3rd Research Conference, Atlanta , May 1994.  

11. Session Chair: “Statistical Process Control,” Conference on Computer Integrated Manufacturing in the Process Industries, New Brunswick , April 1994.  

12. Session Organizer and Chair: “Queueing Control Problems,” ORSA-TIMS National Meeting, Phoenix , October 1993.  

13. Session Organizer and Chair: “Broadband ISDN-Congestion Control,” ORSA-TIMS National Meeting, Chicago , November 1992.

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Visiting Professor

1. Visiting Professor: Participated in research and taught a short course on Control Problems in Broadband Networks at Bilkent University , Ankara , Turkey , June 1992. 

2. Visiting Professor: Participated in research and taught a course in Queueing Theory at Bogazici University , Istanbul , Turkey , Spring 1998. 

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Proposal Reviewer/ Panel Member

1. NSF Panel Member, 1997, 1998, 2004, 2005, 2006, 2008.

2. Reviewer for U.S. Civilian Research and Development Foundation, 2005.

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Journal & Conference Referee

IFAC Automatica, IEEE Transactions on Automatic Control, SIAM Journal on Control and Optimization, IEEE Proceedings Conference on Decision and Control, IEEE Intelligent Transportation Systems Society, IEE Proc. On Control Theory and Applications, Information Processing Letter, INS-Information Science, Naval Research Logistics, Institute of Industrial Engineering Transactions, International Journal of Flexible Automation and Integrated Manufacturing, Computers & Industrial Engineering, Annals of Operations Research, European Journal of Operational Research, Asian-Pacific Journal of Operational Research, Operations Research, Operations Research Letters, Mathematical Methods in Operations Research, Mathematics of Operations Research, Management Science, Queueing Systems, Probability in the Engineering and Informational Sciences, The Journal of the Association for Computing Machinery (JACM), Simulation Modelling Practice and Theory .

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