The following is a list of conference presentations.Thanks for visiting this page.

1. A Single Server Queue with Platooned Arrivals and Phase Type Services - with Marcel F. Neuts, presented at the ORSA/TIMS Conference, Washington DC, May 1980.
2. Reliability Analysis of a Parallel System with Exponential Life Times and Phase Type Repairs, presented at the ORSA/TIMS Conference, Detroit, MI, April 1982.
3. A Stochastic Model for Two Servers Sharing a Common Tool Magazine and its Analysis, presented at the ORSA/TIMS Conference, San Francisco, CA, May 1984 and also at Bell Laboratories, Holmdel, NJ, April 1983.
4. A Single Machine Scheduling Problem with Random Processing Times, presented at the ORSA/TIMS Conference, Boston, MA, April 1985.
5. On Stochastic Models, Invited address at Prestige Forum, TT (private) Limited, Bangalore, India, April 1985.
6. Analysis of Production Line Systems with Two Unreliable Machines with Phase Type Processing Times and a Finite Storage Buffer, presented at the Third SIAM Conference on Discrete Mathematics, Clemson, SC, May 1986.
7. A Flow and Error Control Model with Phase Type Timeout Periods- with J.R. Pimentel and K.V. Ravi, presented at the IEEE Workshop on Factory Communications held at the National Bureau of Standards, Maryland, March 1987.
8. An Optimization Problem in Reliability Theory- with W.B. Grasman,  presented at the First International Conference on Industrial and Applied Mathematics, Paris,  France, June 1987.
9. A Finite Capacity Queueing Model with Primary and Secondary Jobs - with R. Parthasarathy, presented at the ORSA/TIMS National Meeting, St. Louis, MO, May 1987.
10. Algorithms for the Design of Finite Capacity Service Units- with Marcel F. Neuts, presented as an invited talk at a special ORSA/TIMS Conference on Queueing Networks and their Applications, New Brunswick, NJ, January 1987.
11. Chaired and organized a session on Design of Finite Capacity Systems at the EURO/TIMS International Conference held at Paris, France, July 1988.
12. Stochastic Modelling, Invited presentation at the Department of Mathematics, Vivekananda College, Madras, India, August 1989.
13. Design of Finite Capacity Systems, Invited presentation at the Department of Statistics, University of Madras, Madras, India, July 1989.
14. A Stochastic Model for a Computer Communication Network Node with Phase Type Timeout Periods - with K.V. Ravi, presented at the First International Conference on the Numerical Solution of Markov Chains, Raleigh, NC, January 1990.
15. Invited talk at a special session on Phase Type Distributions and Some Applications, as part of South Eastern Regional meeting of the American Mathematical Society, University of Arkansas, Fayetteville, Arkansas, March 1990.
16. A Finite Capacity Dynamic Priority Queueing Model with Phase Type Services, presented at  the ORSA/TIMS joint national meeting held at Anaheim, California, November 1991.
17. Performance Analysis of a Polling System with Group Services, presented at the Second ORSA Telecommunications conference held in Boca Raton, FL, March 1992.
18. A Finite Capacity Queuing Network with Single and Multiple Processing, presented at the Second International Workshop on Queuing Networks with Finite Capacity, Research Triangle Park, NC, May 28-29, 1992.
19. Analysis of a Finite MAP/G/1 Queue with Group Services, to be presented at the  Nodes, ORSA/TIMS joint national meeting held at San Francisco, California, November 1-4, 1992.
20. A Multiserver Queue with Markovian Arrivals and Group Services with Thresholds, presented at the Silver Jubilee Convention of the Operations Research Society of India, December 16-19, 1992.
21. Some Stochastic Models, Invited presentation under seminar series in ASTROMATHS held at the Department of Mathematics, Vivekananda College, Madras, India, December 1992.
22. Stochastic Modeling with Markovian Arrival Processes, Invited presentation at the Department of Mathematics, Vivekananda College, Madras, India, December 1992.
23. A Multiserver Queue with Markovian Arrivals and Group Services with Thresholds, Invited presentation at the Department of Statistics, University of Madras, India, December 1992.
24. A Finite Capacity Queue with Markovian Arrivals and Two Parallel Servers with Group Services, Conference on Applied Probability in Engineering, Computer and Communication Sciences, held in Paris, France, June 16-18, 1993.
25. An Optimization Problem in the Design of a Finite Capacity Queueing System, Invited presentation at the ORSA/TIMS joint national meeting held at Phoenix, Arizona, October 31-November 3, 1993.
26. Finite Capacity Queuing Models in Manufacturing and Production Systems, Proceedings of the 1994 NSF Design and Manufacturing Grantees Conference, January 5-7, 1994.
27. Overload Control of a Finite Buffer Discrete Queue, XXXII TIMS International Conference, Anchorage, Alaska, June 12-15, 1994.
28. Finite Capacity Queues with Nonrenewal Input and Exponential Services with a Dynamic Probabilistic Group Service Rule, ORSA/TIMS Joint National Meeting, Detroit, MI, October 23-26, 1994.
29. A Finite Queue with Nonrenewal Input and Multiple Processing, ORSA/TIMS Joint National Meeting, Detroit, MI, October 23-26, 1994.
30. A Stochastic Model for Resequencing of Messages, Industry, Engineering and Management Systems '95 Conference, Cocoa Beach, FL, March 12-15, 1995.
31. Two Finite Queues in Series with Nonrenewal Input and Group Services, Proceedings of the Seventh International Symposium on Applied Stochastic Models and Data Analysis, Dublin, Ireland, 1995.
32. Performance Analysis of a Finite Capacity Resequencing Queueing Model, VI Latin American Congress on Probability and Mathematical Statistics, CLAPEM 95, Vina del Mar- Chile, November 1995.
33. Analysis of BMAP/M/1 Queue with Dynamic Group Services, INFORMS Conference held in Washington D.C, during May 5-8, 1996.
34. A Production Capacity Queuing Model with Parallel Servers and Group Services (with A.S. Alfa), First International Conference on Industrial Engineering and Practice, 1996.
35. Performance Analysis of a Resequencing Model in Telecommunications Network (with L. Bin), Fifth International Conference on Telecommunication Systems, March 20-23, Nashville,1997.
36. Stochastic Models useful in Production and Manufacturing Systems, 18th IFIP TC7 Conference on Systems Modelling and Optimization, Detroit, July 1997.
37. Stochastic Models in Production and Manufacturing Systems, Invited Talk at the First International Conference on Stochastic Processes and their Applications, Chennai, January 8-10, 1998.
38. A Priority Queue with a Hysteretic Policy, Invited Talk at a session on Priority Queues at the CORS/INFORMS Meeting, Montreal, April 26-29, 1998.
39. Stochastic Models in Production and Manufacturing Systems, Invited Seminar at the Department of Mathematics, University of Pisa, Pisa, Italy, October 1998.
40. Two Parallel Finite Queues with Simultaneous Services and Markovian Arrivals, Invited Seminar at the Department of Mathematics, University of Pisa, Pisa, Italy, October 1998.
41. A Priority Queueing Strategy for ATM Networks with Batch Arrivals at the INFORMS Meeting, Cincinnati, May 2-5, 1999.
42. The Batch Markovian Arrival Process: A Review and Future Work, Invited Plenary Talk, International Conference on Stochastic Processes and Their Applications, Cochin, India, December 17-20, 1999.
43. A Multi-server Retrial Queue with BMAP Arrivals and Group Services, CanQueue 2001, Canadian Workshop on Queueing Theory and related topics held in Waterloo, during August 24-25, 2001.
44. A Multi-Threshold Control of BMAP/SM/1/K Queue with Group Services at the INFORMS Meeting, Miami, Florida, November 3-7, 2001.
45. A Batch Markovian Queue with a Variable Number of Servers and Group Services, \textbf{Fourth International Conference on Matrix-Analytic Methods in Stochastic Models, Adelaide, Australia, July 14-18, 2002.
    
46. A Batch Markovian Queue with a Variable Number of Servers and Group Services, \textbf{Invited Seminar at the Department of Mathematics, Victoria University of Wellington, Wellington, New Zealand, March 2003.
    
47. Matrix-Analytic Methods in Stochastic Modeling,  Tutorial Workshop, Conference on Queues, Inventory, Reliability, Maintenance and Replacement, Cochin University of Science and Technology, Cochin, India, February 19-22, 2004.
48. Operations Research and Industry, Invited Panelist, Conference on Queues, Inventory, Reliability, Maintenance and Replacement, Cochin University of Science and Technology, Cochin, India, February 19-22, 2004.
    
49. Modeling Production, Manufacturing, and Service Systems, Invited Presentation, National Seminar Series, Kerala Mathematical Association, Parumala, Kerala, India, February 14, 2004.
    
50. Operations Research and Modeling, Invited Talk at the Department of Mathematics, Amrita Institute of Science and Technology, Coimbatore, India, February 25, 2004. 
    
51. Stochastic Models and Operations Research, Invited Seminar at the Department of Mathematics, Indian Institute of Technology, Madras, India, March 4, 2004. Operations Research in Practice, Invited Talk at the Department of Statistics, Madras Christian College, Madras, India, February 23, 2004.
    
52. A Markovian Inventory System with Random Shelf Time and Back Orders, INFORMS/CORS International Conference, Banff, Canada, May 16-19, 2004. 
    
53. Impact of Worker Cross-training in Service Systems with Two Types of Customers INFORMS/CORS International Conference, Banff, Canada, May 16-19, 2004.
    
54. How to Increase the Ability of a Student to Learn, ASEE National Meeting, Salt Lake City, Utah, June 19-22, 2004.
    
55. Modeling and Operations Research, Invited Talk at the Department of Statistics and Operations Research, Complutense University of Madrid, Madrid, Spain, February 16, 2005.
    
56. Matrix-analytic Methods in Stochastic Modeling, Invited Talk at the Department of Statistics and Operations Research, Complutense University of Madrid, Madrid, Spain, February 23, 2005.