Dr. Srinivas R.
Chakravarthy's
Resume
|
OFFICE ADDRESS
Professor of Operations Research and Statistics
Department of Industrial and Manufacturing Engineering and
Business
KETTERING UNIVERSITY
1700, W. Third Avenue, Flint, MI 48504
Phone: (810) 762-7906
FAX: (810) 762-9944
E-mail:schakrav@kettering.edu |
EDUCATION
Ph.D. Operations Research, Department of Mathematical
Sciences,
University of Delaware, Newark, Delaware.
M.Sc. Statistics, Presidency College, University of
Madras,
Madras, India.
B.Sc. Mathematics, Vivekananda College, University of Madras,
Madras, India.
EXPERIENCE
Professor of Operations Research and Statistics. Kettering
University,
Department of Industrial and Manufacturing Engineering and Business,
Flint,
MI 48504. July 1999-Present.
Visiting Faculty, Department
of Statistics and Operations Research, Complutense University of
Madrid, Madrid, Spain, February 2005.
Visiting Faculty, Department
of Mathematics, Cochin University of Science and Technology, Cochin,
India, February, 2004.
Visiting Faculty, Department
of Mathematics and Statistics, Victoria University of Wellington,
Wellington, New Zealand, March 2003.
Manager, Operations Research Group, General Motors
Corporation, August, 2000-January 2001 (On leave from Kettering
University)
Professor of Mathematics. GMI Engineering & Management
Institute,
Science and Mathematics Department, Flint, MI 48504. July 1990-June
1999..
Sloan Fellow. FORD's AMTD division, January-June 1997.
Consultant to GM. September 1990 - December 92.
Associate Professor of Mathematics. GMI Engineering &
Management
Institute, Science and Mathematics Department, Flint, MI 48504. July
1986-June
1990.
Consultant to UPS. Lilly Fellowship to participate under the
Faculty/Industry Exchange Program during October-December 1988.
Assistant Professor of Mathematics. GMI Engineering &
Management
Institute, Science and Mathematics Department, Flint, MI 48502.
September
1983-June 1986.
Research Assistant. University of Delaware. Analyzed some
queueing
and reliability models and submitted for publication in scientific
journals.
Supported by the Air Force Office of Scientific Research under
Grant
Nr.AFOSR-77-3236 and by the National Science Foundation under Grant Nr.
NSF No.ENG-7908351. Feb'81-Aug'83.
Teaching Assistant. University of Delaware. Involved in
teaching
several undergraduate mathematics and statistics courses. September
1978-January
1981.
Research Fellow. University of Madras, Madras, India. Had
full
responsibility for teaching a diploma course in statistics and a
graduate
course in probability theory.
Involved in several statistical projects undertaken by the Department
of Statistics. January 1976-August 1978.
HONORS AND
AWARDS
Kettering University Distinguished Research Award, 2003
GMI Outstanding Research Award, 1996
Sloan Faculty/Industry Exchange Fellowship, 1996
GMI Research Initiation/Improvement Grant, 1995
NSF Conference award (DMI-9424312), 1995
NSF Research award (DDM-9313283), 1993-1997
GMI Alumni Outstanding Teaching Award, 1990
GMI Research Initiation/Improvement Grant, 1990
Lilly Faculty/Industry Exchange Fellowship, 1988
PUBLICATIONS
- A Single Server Queue with Platooned Arrivals and Phase Type
Services
- with Marcel F. Neuts. European J. of Operational Research,
8, 379-389, 1981.
- Reliability Analysis of a Parallel System with Exponential Life
Times
and Phase Type Repairs. OR Spektrum, 5, 25-32, 1983.
- On the Optimal Control Problem of a Single Server Queueing
System. J. of Optimization Theory and its Applications, 41,
317-325, 1983
.
- A Stochastic Model for Two Servers Sharing a Common Tool
Magazine
and its Analysis, Mathematical Modelling, 6, 307-332, 1985.
- A Single Machine Scheduling Problem with Random Processing
Times. Naval Research Logistics Quarterly, 33, 391-397, 1986.
- On Two Cyclic Exponential Machines Sharing a Common Tool
Magazine, American Journal of Mathematical and Management Sciences,
Vol. 7, 205-232,
1987.
- Analysis of Production Line Systems with Two Unreliable Machines
with
Phase Type Processing Times and a Finite Storage Buffer, Stochastic
Models, 3, 369-391, 1987.
- On Tool-sharing Between Two Cyclic Machines with Phase Type
Holding
Times - Technical Report, Department of Science and Mathematics, GMI
Engineering and Management Institute, Flint, Michigan 48504.
- An Optimization Problem in Reliability Theory- with W.B. Grasman
-
Technical Report, Department of Science and Mathematics, GMI
Engineering
and Management Institute, Flint, Michigan 48504.
- A Flow and Error Control Model with Phase Type Timeout Periods-
with
J.R. Pimentel and K.V. Ravi. Proceedings of the IEEE Workshop on
Factory Communications, March 1987, 179-197.
- Algorithms for the Design of Finite Capacity Service Units- with
Marcel F. Neuts, Naval Research Logistics, 36, 147-165, 1989.
- A Finite Capacity Queueing Model with Primary and Secondary Jobs
-
with R. Parthasarathy, Computers and Industrial Engineering, 16,
97-108, 1989.
- A Stochastic Model for a Computer Communication Network Node
with
Phase Type Timeout Periods - with K.V. Ravi, Chapter 14 in Numerical
Solutions of Markov Chains, Marcel Dekker 1991.
- A Finite Capacity Dynamic Priority Queueing Model, Computers
and
Industrial Engineering, 22, 369-385, 1992.
- A Finite Capacity GI/PH/1 Queue with Group Services, Naval
Research Logistics 39, 345-357, 1992.
- Analysis of a Finite MAP/G/1 Queue with Group Services, Queuing
Systems: Theory and Applications, 13, 385-407, 1993.
- A Finite Capacity Queuing Network with Single and Multiple
Processing
Nodes, Queueing Networks with Finite Capacity, edited by R.F.
Onvural
& I.F. Akyildiz, 197-211, 1993, North-Holland, Netherlands.
- A Multi-server Queue with Markovian Arrivals and Group Services
with
Thresholds -with A.S. Alfa, Naval Research Logistics, 40, 811-827,
1993
.
- Finite Capacity Queuing Models in Manufacturing and Production
Systems, Proceedings of the 1994 NSF Design and Manufacturing
Grantees Conference, 253-254, 1994.
- A Discrete Queue with the Markovian Arrival Process and Phase
Type
Primary and Secondary Services- with A.S. Alfa, Stochastic Models,
10,
437-451, 1994.
- A Finite Capacity Queue with Markovian Arrivals and Two Servers
with
Group Services- with A.S. Alfa, Journal of Applied Mathematics and
Stochastic Analysis 7, 161-178, 1994.
- An Optimization Problem in a Finite Capacity PH/PH/1 Queue with
Group
Services -with S.Y. Lee, Stochastic Models, Optimization Techniques
and
Computer Applications, edited by G. V. Krishna Reddy, etal, 3-13, 1994
.
- Markovian Arrival Processes in Manufacturing and Production
Systems, Proceedings of the 1995 NSF Design and Manufacturing
Grantees Conference,
185-186, 1995.
- A Discrete Single Server Queue with Markovian Arrivals and Phase
Type
Group Services- with A.S. Alfa and K.L. Dolhun, Journal of Applied
Mathematics and Stochastic Analysis, 8, 151-176, 1995.
- Service Control of a Queueing System with Nonrenewal Arrivals
and
Phase Type Services- with T. Dimitrova, Proceedings of the
International
Mathematica Symposium, 93-102, 1995.
- Two Finite Queues in Series with Nonrenewal Input and Group
Services, Proceedings of the Seventh International Symposium on
Applied Stochastic
Models and Data Analysis, 78-87, 1995.
- A Stochastic Model for Resequencing of Messages -with S. Chukova
and
B. Dimitrov, Proceedings of the Second International IEMS
Conference,
601-606, 1995.
- Matrix-Analytic Methods in Stochastic Models -with
A.S.
Alfa, Marcel Dekker, New York, 1996.
- Analysis of the MAP/PH/1/K Queue with Service Control, Applied
Stochastic Models and Data Analysis, 12, 179-191, 1996.
- A Production Capacity Queuing Model with Parallel Servers and
Group
Services -with A.S. Alfa, Advances in Industrial Engineering
Applications
and Practice I, 1114-1119, 1996.
- Performance Analysis of a Resequencing Model in
Telecommunications
Network (with L. Bin), Fifth International Conference on
Telecommunication
Systems, 633-652, 1997.
- Performance Evaluation of a Parallel System -with S. Kanchi, First
International Conference on Operations and Quantitative Management, 1997
.
- Analytic Comparison of Functional and Cellular Manufacturing
Systems
with Markovian Arrival Process-with A. Agarwal, First International
Conference on Operations and Quantitative Management, 1997.
- A Finite Capacity Queue with Nonrenewal Input and Exponential
Dynamic
Group Services-with L. Bin, ORSA Journal on Computing, 9, 276-287,
1997
.
- Two Parallel Finite Queues with Simultaneous Services and
Markovian
Arrivals with T. Sashisekaran, Journal of Applied Mathematics and
Stochastic Analysis,10, 383-405, 1997.
- Advances in Matrix-Analytic Methods for Stochastic Models
-with A.S. Alfa, Notable Publications, Inc., New
Jersey,
1998.
- Analysis of a Priority Polling System with Group Services, Stochastic
Models, 14, 25-49, 1998.
- Analysis of MAP/M/2/K Queueing Model with Resequencing -with S.
Chukova and B. Dimitrov, Performance Evaluation, 31, 211-228, 1998.
- A Finite Capacity Queueing Network with Two Parallel Exponential
Servers and Secondary Group Services (with T. Sashisekaran), Stochastic
Processes and Their Applications, Eds., A. Vijayakumar and M.
Sreenivasan,177-185, 1999.
- A New Algorithm for the Design of Finite Capacity Service Units
-
with D.A. Bini and B. Meini. Proceedings of the Third international
Conference on the Numerical Solution of Markov Chains, Saragoza,
Spain, 1999.
- Analysis of a Multi-server Queue with Batch Markovian Arrivals
and
Group Services, Engineering Simulation, 18, 51-66, 2000.
- Control of BMAP/PH/1/K Queue with Group Services -with D.A. Bini
and
B. Meini. Advances in Algorithmic Methods in Stochastic Models,
Eds.,
G. Latouche and P. Taylor, Notable Publications Inc., 57-72, 2000.
- A Simple Unreliable Service Model Characterizes Exponential
Distribution - with B. Dimitrov and S. Chukova. Kuwait Journal of
Science and Engineering, 28, 203-213, 2001.
- The Batch Markovian Arrival Process: A Review and Future Work.
Advances in Probability and Stochastic Processes. Eds., A.
Krishnamoorthy,
et al., 21-49, 2001.
- Overload Control of a Finite Buffer Discrete Queue - with A.S.
Alfa - Advances in Probability and Stochastic Processes. Eds.,
A. Krishnamoorthy, et al., 1-12, 2001.
- A k-out-of-n Reliability System with an Unreliable Server and
Phase
Type Repairs and Services: The (N, T) Policy (with A. Krishnamoorthy
and
P.V. Ushakumari) , Journal of Applied Mathematics and Stochastic
Analysis, 14, 361-380, 2001.
- A Batch Markovian Queue with a Variable Number of Servers and
Group
Services (with A. Dudin) – Matrix-Analytic Methods - Theory and
Applications,
Eds., G. Latouche and P. Taylor, 63-88, 2002, World Scientific
Publishing
Co., Singapore.
- Optimal Hysteretic Control for the BMAP/G/1 System with Single
and
Group Service Modes (with A. Dudin) – Annals of Operations
Research,
112, 153-169, 2002.
- A Single Server Retrial Queuing Model with Batch Arrivals and
Group
Services (with A. Dudin) – Advances in Stochastic Modelling, Eds.,
J.R. Artalejo and A. Krishnamoorthy, 1-21, 2002.
- A Multi-server Retrial Queue with BMAP Arrivals and Group
Services
(with A. Dudin) – Queueing Systems: Theory and Applications, 42,
5-31,
2002.
- Analysis of a Retrial Queuing Model with MAP Arrivals and Two
Types of Customers (with A. Dudin) – Mathematical and Computer
Modelling, 37, 343-363, 2003.
- Analysis of a Machine Repair Problem with an Unreliable Server
and
Phase Type Repairs and Services (with A. Agarwal), Naval Research
Logistics, 50, 462-480, 2003.
- Multi-threshold Control of the BMAP/SM/1/K Queue with Group
Services
(with A.N. Dudin) - Journal of Applied Mathematics and Stochastic
Analysis, 16, 327-348, 2003.
- A Circuit Testing Assembly Line Model with Markovian Arrival
Process(with Paul D. Young) - Journal of Mathematical Sciences, 2,
10-33, 2003.
- How to Increase the Ability of a Student to Learn, Proceedings
of the 2004 American Society for Engineering Education Annual
Conference and Exposition, 2004.
- A Markovian Inventory System with Random Shelf Time and Back
Orders (with Jacob Daniel), Computers and Industrial Engineering,
47,
315-337, 2004.
- A Multi-server Markovian Queueing Model with Primary and
Secondary Services (with V. I. Klimenok and A. N. Dudin),
Proceedings
of the eighteenth Belarussian winter workshop in queueing theory,
70-79, 2005.
- Optimal Workforce Mix in Service Systems with Two Types of Customers (with Sal Agnihothri), Production and Operations Management, 14, 218-231, 2005.
- A Finite Capacity Resequencing Model with Markovian Arrivals (with Stefanka Chukova), Asia-Pacific Journal of Operational Research, 22, 409-443, 2005.
- Algorithmic
Analysis of a Multi-Server Markovian Queue with Primary And Secondary
Services (with V. I. Klimenok and A. N. Dudin), Computers and Mathematics with aplications, 50, 1251-1270, 2005.
- Analysis
of a Hysteresis based Queueing Strategy for ATM Networks with batch
Markovian Arrivals - Numerical Results (with S. Thiagarajan), Proceedings
of the Third National Conference on Mathematical and Computational
Models, Eds., R. Arumuganathan and R. Nadarajan, 109-135, 2005.
- A Stochastic Model for a Web Environment with Static and Dynamic Page requests (with S. Kanchi), International Conference on Internet and Web Applications and Services, February 23-25, 2006.
- Analysis of a Multi-server Retrial Queue with Search of Customers from the Orbit (with A. Krishnamoorthy and V. C. Joshua), Performance Evaluation, 63, 776-798, 2006.
- Algorithmic
Analysis of a Maximum Level Length in General-block Two-dimensional
Markov Processes (with J. R. Artalejo), Mathematical Problems in
Engineering, Volume 2006 (2006), Article ID 53570, 15 pages.
- Maximal Queue Length in a Busy Period of a $MAP/M/c$ Retrial Queue (with J. R. Artalejo), Applied Mathematics and Computation, 183, 1399-1409, 2006.
- Algorithmic Analysis of a $MAP/PH/1$ Retrial Queue(with J. R. Artalejo), TOP, 14, 293-332, 2006.
- Analysis of a k-out-of-N System with Spares, Repairs, and a Probabilistic Rule, Journal of Applied Mathematics and Stochastic Analysis, Volume 2006 (2006), Article ID 39093, 23 pages.
- A Multi-server Queueing Model with Markovian Arrivals and Multiple Thresholds, Asia-Pacific Journal of Operational Research, 24, 223-243, 2007.
- A multi-server synchronous vacation model with thresholds and a probabilistic decision rule, European Journal of Operational Research, 182, 305-320, 2007.
- The
busy period and the waiting time analysis of a MAP/M/c queue with
finite retrial group (with J.R. Artalejo and Lopez-Herrero), Stochastic Analysis and Applications, 25, 445-469, 2007.
- A Server Backup Model with Markovian Arrivals and Phase Type Services (with S. R. Agnihothri), European Journal of Operational Research, 184, 584-609, 2008.
- The influence of delivery times on repairable k-out-of-N systems with spares (with A. Gomez-Corra)l, Applied Mathematical Modeling, 33, 2368-2387, 2009.
- Analysis of a multi-server queue with Markovian arrivals and synchronous phase type vacations. Asia-Pacific Journal of Operational Research, 26, 85-113, 2009.
- A disaster queue with Markovian arrivals and impatient customers. Applied Mathematics and Computation, 214, 48-59, 2009.
- A
retrial queueing model with MAP arrivals, catastrophic failures with
repairs, and customer impatience (with A. N. Dudin and V. I.
Klimenok) - To appear in Asia-Pacific Journal of operational Research.
- Markovian Arrival Process - To appear in Wiley Encyclopedia of Operations Research and Management Science.
- The
impact of priority generations in a multi-priority queueing system - A
simulation approach (with A. Krishnamoorthy and V. C. Narayanan) -
Proceedings of the 2009 Winter Simulation Conference. Editors: M. D.
Rossetti, R. R. Hill, B. Johansson, A. Dunkin, and R. G. Ingalls.
- An
inventory system with Markovian demands, phase type distributions for
perishability and replenishment. Submitted for Publication.
PRESENTATIONS
-
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.
-
Reliability Analysis of a Parallel System with Exponential Life Times
and
Phase Type Repairs, presented at the ORSA/TIMS Conference, Detroit, MI,
April 1982.
-
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.
-
A Single Machine Scheduling Problem with Random Processing Times,
presented
at the ORSA/TIMS Conference, Boston, MA, April 1985.
-
On Stochastic Models, Invited address at Prestige Forum, TT (private)
Limited,
Bangalore, India, April 1985.
-
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.
-
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.
-
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.
-
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.
-
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.
-
Chaired and organized a session on Design of Finite Capacity Systems at
the EURO/TIMS International Conference held at Paris, France, July 1988.
-
Stochastic Modelling, Invited presentation at the Department of
Mathematics,
Vivekananda College, Madras, India, August 1989.
-
Design of Finite Capacity Systems, Invited presentation at the
Department
of Statistics, University of Madras, Madras, India, July 1989.
-
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.
-
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.
-
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.
-
Performance Analysis of a Polling System with Group Services, presented
at the Second ORSA Telecommunications conference held in Boca Raton,
FL,
March 1992.
-
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.
-
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.
-
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.
-
Some Stochastic Models, Invited presentation under seminar series in
ASTROMATHS
held at the Department of Mathematics, Vivekananda College, Madras,
India,
December 1992.
-
Stochastic Modeling with Markovian Arrival Processes, Invited
presentation
at the Department of Mathematics, Vivekananda College, Madras, India,
December
1992.
-
A Multiserver Queue with Markovian Arrivals and Group Services with
Thresholds,
Invited presentation at the Department of Statistics, University of
Madras,
India, December 1992.
-
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.
-
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.
-
Finite Capacity Queuing Models in Manufacturing and Production Systems,
Proceedings of the 1994 NSF Design and Manufacturing Grantees
Conference,
January 5-7, 1994.
-
Overload Control of a Finite Buffer Discrete Queue, XXXII TIMS
International
Conference, Anchorage, Alaska, June 12-15, 1994.
-
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.
-
A Finite Queue with Nonrenewal Input and Multiple Processing, ORSA/TIMS
Joint National Meeting, Detroit, MI, October 23-26, 1994.
-
A Stochastic Model for Resequencing of Messages, Industry, Engineering
and Management Systems '95 Conference, Cocoa Beach, FL, March 12-15,
1995.
-
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.
-
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.
-
Analysis of BMAP/M/1 Queue with Dynamic Group Services, INFORMS
Conference
held in Washington D.C, during May 5-8, 1996.
-
A Production Capacity Queuing Model with Parallel Servers and Group
Services
(with A.S. Alfa), First International Conference on Industrial
Engineering
and Practice, 1996.
-
Performance Analysis of a Resequencing Model in Telecommunications
Network
(with L. Bin), Fifth International Conference on Telecommunication
Systems,
March 20-23, Nashville,1997.
-
Stochastic Models useful in Production and Manufacturing Systems, 18th
IFIP TC7 Conference on Systems Modelling and Optimization, Detroit,
July
1997.
-
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.
-
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.
-
Stochastic Models in Production and Manufacturing Systems, Invited
Seminar
at the Department of Mathematics, University of Pisa, Pisa, Italy,
October
1998.
-
Two Parallel Finite Queues with Simultaneous Services and Markovian
Arrivals,
Invited Seminar at the Department of Mathematics, University of Pisa,
Pisa,
Italy, October 1998.
-
A Priority Queueing Strategy for ATM Networks with Batch Arrivals at
the
INFORMS Meeting, Cincinnati, May 2-5, 1999.
-
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.
-
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.
-
A Multi-Threshold Control of BMAP/SM/1/K Queue with Group Services at
the
INFORMS Meeting, Miami, Florida, November 3-7, 2001.
- 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.
- 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.
- 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.
- 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.
- Modeling Production, Manufacturing, and Service Systems, Invited
Presentation, National Seminar Series, Kerala Mathematical Association,
Parumala, Kerala, India, February 14, 2004.
- Operations Research and Modeling, Invited Talk at the Department
of Mathematics, Amrita Institute of Science and Technology, Coimbatore,
India, February 25, 2004.
- 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.
- Operations
Research in Practice, Invited Talk at the Department of Statistics,
Madras Christian College, Madras, India, February 23, 2004.
- A Markovian Inventory System with Random Shelf Time and Back
Orders, INFORMS/CORS International Conference, Banff, Canada, May
16-19, 2004.
- Impact of Worker Cross-training in Service Systems with Two Types
of Customers INFORMS/CORS International Conference, Banff, Canada, May
16-19, 2004.
- How to Increase the Ability of a Student to Learn, ASEE National
Meeting, Salt Lake City, Utah, June 19-22, 2004.
- Modeling and Operations Research, Invited Talk at the Department
of Statistics and Operations Research, Complutense University of
Madrid, Madrid, Spain, February 16, 2005.
- 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.
- Algorithmic
Analysis of a Multiserver Markovian Queue with Primary and Secondary
Services, CANQUE 2005, McMaster University, Canada, September 23-24,
2005.
- A Multi-server Queueing Model with Markovian
Arrivals and Multiple Thresholds, EURO XXI 2006, Reykjavik, Iceland,
July 2-6, 2006.
- A multi-server synchronous vacation model with
thresholds and a probabilistic decision rule, CANQUEUE 2006, Banff,
Canada, September 15-16, 2006.
- A Multi-server Queueing Model
with Markovian Arrivals and Multiple Thresholds, Invited Talk at the
Department of Statistics and Operations Research, University of Delhi,
Delhi, India, December 22, 2006.
- A retrial queueing model with
MAP arrivals, catastrophic failures with repairs, and customer
impatience, Seventh International Workshop on Retrial Queues, Athens,
Greece, July 17-19, 2008.
- A disaster queue with Markovian arrivals and impatient customers, CORS, Toronto, June 14-17, 2009.
- A
disaster queue with Markovian arrivals and impatient customers, 23^rrd
European Conference on Operational Research, Bonn, July 5-8, 2009.
TECHNICAL REPORTS (Consulting
activities)
Stochastic Models for Predicting the Volume of Packages, (Classified
Project) December 1988.
A Statistical Analysis of the Morning Report on Selected Variables
for
the Metro Detroit District of UPS (Classified Project), December 1988.
Regression Models for Predicting the Number of Drivers (Classified
Project)
December 1988.
At least 15 reports (with two of my colleagues) on the Statistical
Analysis of Noble Metal Concentrate on the substrates of Catalytic
Converters.
THESES SUPERVISION
Supervised several fifth-year theses for undergraduate students in
Engineering
and Applied Mathematics programs.
Supervised a Master's thesis titled "Resequencing Delay for a
Queuing
System with Nonrenewal Input and two Heterogeneous Servers under
Threshold-type
Scheduling" by L. Bin. This student was supported by my NSF research
grant.
Supervised a Master's thesis titled “Analysis of a Hysteresis based
Priority Queuing Strategy for ATM Networks with Batch Arrivals” by T.
Sashisekaran,
who is also supported by my research grant.
PROFESSIONAL ACTIVITIES
Member of Editorial Board for (a) The Open Statistics and
Probability Journal; (b) The Open Operational Research Journal; and (c)
Reliability & Risk Analysis: Theory & Applications
Member
of Scientific Advisory Board for a number of International conferences
including the one on Matrix-Analytic Methods in Stochastic Modeling
that started in Flint, Michigan, USA.
Refereed (still
refereeing) for Communications in Statistics, Management Science,
American Mathematical Monthly, Mathematical Reviews, Operations
Research, Performance Evaluation, Stochastic
Models, QUESTA and
Annals of Operations Research. Reviewed books for McGraw Hill, West
Publishing Company and Chapman Hall. Member of Scientific Advisory
Committee for several International Conferences.
PROFESSIONAL SOCIETY
Member of Mathematical Association of America, Operations Research
Society
of America, American Statistical Association, and Sigma Xi Research
Society.
INSTITUTE AND DEPARTMENT SERVICES
Chair, Futuristic Industrial Engineering Program Committee
Member of IME Department Promotion Subcommittee
Member of IME Assessment Committee
Member of the Research Council
Member of the Academic Computing Committee
Member of the University Governance on Assessment Committee (formed at the Pacific Crest Workshop)
Chair of Department Graduate Curriculum Committee
Member of Department Undergraduate Curriculum Committee
Member of Department Thesis Committee
Member of Academic Development, Ethics, Promotion and Tenure
Committee
Chaired Academic Development, Ethics, Promotion and Tenure
Committee
Chaired University Promotion Committee
Chaired Department Promotion Committee
Member of University Promotion Committee
Member of EC2000 at IE Department
Member of IE Assessment Team
Chaired several Faculty Search Committees
Member of several Faculty Search Committees
Member of GPDRC (Graduate Program,Development and Review)
Member of Library Advisory Board
Chair of Probability and Statistics Curriculum
Member of Department Curriculum Committee
Member of Institute Thesis Committee
Member of University Research Council
Volunteer for University Foundations (advising students from Freshmen
level to Senior level)
Volunteer for University Scholarship Program
Volunteer for Discover Kettering Program
Member of Bachelor-Master's Thesis Committee
Member of Research Council's sub-Committee on Research Awards
Member of Task Force on Graduate Program in Engineering
Member of President's Task Force on Research Proposal Writing
Member of Joe Hudson Memorial Scholarship Award
Member of Graduate Academic Review
Member of Mathematics Software Subcommittee
Member of Applied Mathematics Laboratory Proposal Writing Team
Member of the Institute Diversity Team
COURSES TAUGHT
Undergraduate Courses: Quality Assurance, Design of
Experiments,
Operations Research I, Operations Research II, Calculus I, Calculus II,
Calculus III, Linear Algebra, Matrix Algebra, Advanced Matrix Theory,
Probability,
Probability and Statistics, Statistics I and II for Management,
Mathematical
Statistics, and Probability Theory with an Introduction to Random
Processes.
Graduate Courses: Deterministic Models in Operations
Research,
Stochastic Models in Operations Research, Quality Assurance, Advanced
Engineering
Mathematics I, Applied Statistics, Mathematical Modeling/Operations
Research,
and Stochastic Models in Telecommunications. Most of these courses are
taught live as well as on video.
HOBBIES
Playing tennis, table tennis, bridge, chess and pool; reading and a
little bit of gardening.
REFERENCES (available
upon request)