External Publications/Talks

 

Dr. Leonard J. Forys

 

 

1.      “Using Metaheuristics and Queueing Models to Optimize Schedules in the Academic Enterprise” (with C. Pack, E. Christenesen, R.M. Potter and A. Erramilli) Symposium on Computational Intelligence in Scheduling organized in IEEE Symposium Series in Computational Intelligence March 2011. 

 

2.        “Traffic Synchronization and Chaos”, Advances in Control, Communications Networks and Transportation System, E. H. Abed, editior, Birkhauser Boston MA, June 2005.

 

3.       “Comparing Work Force Management Systems”, invited talk, TUANZ (in 4 cities, New Zealand) May 2003

 

4. “Traffic Synchronization”, invited talk, U. of Otago, NZ, May 2003.

 

5. “Chaos in Computers and the Internet”, invited talk, U. of Otago, NZ, May 2003.

 

6. “Does Modeling Work?”, invited talk, International Conference on Computer Communications”, Princeton NJ, October 1997

 

7. “Impact of ISP Load on the PSTN”, invited paper, International Communications Congress 1997, Montreal, Canada June 1997.

 

8. “Teletraffic Professional Practice”, invited speaker, Proceedings of the 15^th International Teletraffic Congress, Washington D.C. June 1997.

 

9. “New Traffic Engineering and Analysis Methods for Emerging Technologies”, Proceedings IEEE Globecom, pp. 848-854, Singapore, November 1995.

 

10. “Chaotic Phenomena in Communications Networks” (with A. Erramilli), SIAM Conference on Dynamical Systems, San Francisco California, 1992.

 

11. “Earthquake-Induced Congestion Impacts on Local Telephone Networks”, invited paper, Fifth U.S.-Japan Earthquake Disaster Prevention Symposium for Lifeline Systems”, Tsukuba, Japan, October1992.

 

12. “An Earthquake-Induced Congestion Modeling Approach for LECs”, invited paper, Workshop on Assessing State-of-the-Art Approaches to Communications Lifeline Modeling for Earthquake Disasters, Seattle, Washington, August 1992.

 

13. “Traffic Synchronization Effects in Teletraffic Systems”, (with A. Erramilli) Proceedings of the 13^th International Teletraffic Congress, Copenhagen, Denmark, June 1991.

 

14. "Generic System Performance Modeling Issues", Proceedings 1991 National Communications Forum, Chicago Illinois, September 1991.

 

15. "Traffic Engineering", Proceedings 1991 Eastern Communications Forum, Washington DC, 1991.

 

16. "Traffic Synchronization Effects in Teletraffic Systems", (with A. Erramilli), Proceedings 13th International Teletraffic Congress, Copenhagen, Denmark, June 1991.

 

17. "Oscillations and Chaos in a Flow Model of a Switching System", (with A. Erramilli and E. Shyamsunder), JSAC special issue: Teletraffic Analysis of Communications Systems, February 1991.

 

18. "Issues Impacting System Performance Modelling", Proceedings of 1990 National Communications Forum, Chicago Illinois, October 8, 1990.

 

19. "Servicing of Bursty Systems", International Teletraffic Congress Specialist's Seminar, U. of Adelaide, September 1989.

 

20. "Review of Real Time Capacity Issues", Proceedings of 1989 National Communications Forum, Chicago, Illinois, October 1989

 

21. "Major Capacity Issues from the User's Perspective", Proceedings of 1988 National Communications Forum, Chicago, Illinois, October 1988.

 

22. “Analysis of Load Box Testing for Voice Switches”, Proceedings 12th International Teletraffic Congress (ITC), Turin, Italy June 1988.

 

23. "Performance Analysis of a New Overload Strategy, Proceedings 11th International Teletraffic Congress (ITC), Kyoto, Japan 1986.

 

24. "Modelling of Large Packet Switch Networks", Proceedings International Seminar on Teletraffic Analysis and Computer Performance Evaluation, Amsterdam, Netherlands, 1985

 

25.    "New Overload Issues in a Divested Environment", Proceedings 10th International Teletraffic Congress, Montreal, Canada, 1983.

 

26. "Analyzing the Effectiveness of Audible Ringing", (with H. Zucker), Proceedings of the 10th International Teletraffic Congress Montreal, Canada, 1983.

 

27. "Coping With Overloads", Bell Laboratories Record, July-August 1981, (also Telephony Magazine, Vol. 201, No. 15, October 5, 1981, pp. 78-83.)

 

28. "A Characterization of Traffic Variability for SPC Systems", Proceedings 9th International Teletraffic Congress, Torremolinos, Spain, 1979.

 

29. "Modelling of SPC Switching Systems", Proceedings ITC Seminar on Modeling of Stored Programme Controlled Exchanges and Data Networks, pp. 83-100, Delft, Netherlands, 1977

 

30. "Analysis of Trunk Groups Containing Short-Holding-Time Trunks" (with E.J. Messerli), The Bell System Technical Journal, Vol. 54, No. 6, July-August 1975.

 

31. "A Study of the Analysis and Control of the Flow of Air Traffic: Part I", (several co-authors), Networks, Vol. 1, pp. 15-42, 1972.

 

32. "A Study of the Analysis and Control of the Flow of Air Traffic: Part II", (several co-authors), Networks, Vol. _1, pp. 209-243, 1972.

 

33. "A Study of the Analysis and Control of the Flow of Air Traffic: Part III", (several co-authors), Networks, Vol. 1, pp. 303-331, 1972.

 

34. "The Determinability of Classes of Noisy Channels", The Bell System Technical Journal, Vol. 48, No. 10, December 1969.

 

35. "The Epsilon-Capacity of Classes of Unknown Channels", (with P. Varaiya), Information and Control, Vol. 14, No. 4, pp. 376-406, April 1969.

 

36. "A Note Concerning Observable but not Controllable Modes, and Stability", (with C.A. Desoer), IEEE Transactions on Circuit Theory, February 1969.

 

37.    "On the Continuity of Closed-Loop Feedback Relations", IEEE Transactions on Automatic Control, December, 1967.

 

38.    “Perturbations of Optimal and Sub-Optimal Control Problems” (with P. Varaiya), Electronic Research Laboratory, U. of California Berkeley,  Memorandum No. ERL-M206, 8 March 1967.

 

39. "On the Stability of Systems Containing a Time-Varying Gain", (with R. Brockett), Proceedings Second Annual Allerton Conference on Circuit and System Theory, pp. 413-430, September 1964.