2. S. Juneja, P. Shahabuddin. Simulating Heavy Tailed Processes

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Sandeep K. Juneja

School of Technology and Computer Science

Tata Institute of Fundamental Research

Homi Bhabha Road, Colaba, Mumbai - 400005

E-mail: juneja@tifr.res.in

Tel no.: 91-22-2278-2725 (o)

Academic Experience

12/02 - present Tata Institute of Fundamental Research , School of Technology and Computer

Science, Homi Bhabha Road, Mumbai- 400005. Associate Professor (since 08/04)

11/96 – 12/03 Indian Institute of Technology Delhi , Industrial Eng. Group, Dept. of Mech. Eng.,

Associate Professor (since 07/02)

Courses taught : Monte Carlo Methods in Finance, Mathematical Finance, Applied

Probability, Simulation, Statistics, Operations Research, Supply Chain Management,

Optimization

Visiting and Adjunct Academic Positions

Graduate School of Business, Columbia University (Summers 2004, 2005)

Visiting Associate Professor

Industrial Engineering and Operations Research, Columbia University

(Summers 1997, 98, 99, 2004)

Conducted research on risk management and on variance reduction techniques in

Monte Carlo simulation. Taught courses on probability (two summers) and on deterministic operations research methods (three summers).

1/02 – 4/02 Tata Institute of Fundamental Research , School of Technology and Computer

Science, Homi Bhabha Road, Mumbai- 400005. Visiting Faculty

5/01 – 6/01 University of Twente , Netherlands. Computer Science Department

Visiting Faculty, conducted research on rare event simulation

1/00 – 4/00 Stanford University , Department of Management Science and Engineering

Visiting Faculty . Conducted research and taught two courses on stochastic processes

7/03 – present Indira Gandhi Institute for Developmental Research , Mumbai. Adjunct Associate

Professor.

Conducted courses on financial mathematics

Education

89-93 Ph.D. in Operations Research, Stanford University

Dissertation: Efficient Rare Event Simulation in Stochastic Systems

Thesis Advisor: Peter Glynn

89-92

85-89

M.S. in Statistics, Stanford University

B.Tech. in Mech. Eng., Indian Institute of Technology Delhi

For

publications

please refer to the attached sheets

Editorial Responsibilities

Associate Editor, Management Science . In the area of Stochastic Models and Simulation

Patents Filed

1.

M. Gupta and S. Juneja. Distributed Bid Processing Method for Open Cry and Descending

Price Auctions. Filed at USPTO, 2000

2.

A. Bassamboo, M. Gupta and S. Juneja. An Efficient Winner Determination Technique for

Determining Winner Bids in Online Single Item, Multiple Units Auctions. Filed at USPTO,

2000

3.

A. Chrungoo, V. Gupta, S. Juneja, S. Kapoor, Balaji and J. Shahabuddin. A Decision

Support System for Optimal Resource Allocation in a Web Server Farm. Filed at USPTO,

2001

Recent Awards

 Faculty Partnership award of from IBM Research Lab Yorktown Heights for the year 2001-

2002

First Patent Invention Award, IBM Research Lab India, 2000

Key Consultancies

7/99 – 7/02 IBM India Research Lab, Delhi

Conducted research and development in the areas of e-commerce and communications networks. The work on e-commerce focused on designing computationally efficient Internet auctions

7/00 – 12/02 Delhi Transportation Corporation

Delhi bus traffic demand estimation and DTC bus route rationalization. This project involved extensive data collection and analysis. Over six lac commuters were interviewed from the bus stops in Delhi

Corporate Experience

9/95 - 10/96 Andersen Consulting, 426 World Trade Center, Barakhamba Lane, New Delhi.

Senior Consultant

9/93 - 6/95 American Credit Indemnity (Company of Dun & Bradstreet Corporation)

Baltimore, MD. Director Quantitative Analysis, Specialty credit insurance company

6/92 - 9/92 IBM T.J. Watson Research Center , Yorktown Heights, NY.

6/91 - 9/91 Summer Intern. Performance Analysis Group, Computer Science Division

6/90 - 9/90 Bell Labs , Holmdel, NJ. Summer Intern. Operations Research Group

Publications

Monte Carlo Methods in Finance

1.

A. Bassamboo, S. Juneja and A. Zeevi, Portfolio Credit Risk with Extremal Dependence.

Submitted to Operations Research

2.

N. Bolia and S. Juneja. Monte Carlo Methods for Pricing Financial Options. Sadhana, 30,

2005, 347-386

3.

N. Bolia, S. Juneja. Function-Approximation Based Perfect Control Variates to Price

American Options. To appear in the Proceedings of the 2005 Winter Simulation

Conference , IEEE Press

4.

A. Bassamboo, S. Juneja, A. Zeevi. Expected Shortfall in Credit Portfolios with Extremal

Dependence. To appear in the Proceedings of the 2005 Winter Simulation Conference ,

IEEE Press

5.

N. Bolia, P. Glasserman, S. Juneja. 2004. Function-Approximation-based Importance

Sampling for Pricing American Options. Proceedings of the 2004 Winter Simulation

Conference , IEEE Press. 604-611

Rare Event Simulation

Heavy Tailed Processes

1.

Bassamboo, S. Juneja and A. Zeevi. On the Efficiency Loss of State-Independent

Importance Sampling in the Presence of Heavy Tails. To appear in OR Letters

2.

S. Juneja, P. Shahabuddin. Simulating Heavy Tailed Processes using Delayed Hazard Rate

Twisting. ACM TOMACS , 12, 2, 2002, 94-118

3.

A. Bassamboo, S. Juneja, A. Zeevi. Importance Sampling Simulation in Presence of Heavy

Tails. To appear in the Proceedings of the 2005 Winter Simulation Conference , IEEE Press

4.

S. Juneja, P. Shahabuddin and A Chandra. Simulating Heavy Tailed Processes using

Delayed Hazard Rate Twisting. Proceedings of 1999 Winter Simulation Conference, IEEE

Press, 420-427

Queues and Queueing Networks

1.

S. Juneja and V. Nicola. Efficient Simulation of Buffer Overflow Probabilities in Jackson

Networks with Feedback. Undergoing second round of refereeing for ACM TOMACS

2.

S. Juneja and V. Nicola. Efficient Simulation of Buffer Overflow Probabilities in a Queuing

Network. TIFR Technical Report STCS-03/01. July 2003

3.

S. Juneja and V. Nicola. Efficient Simulation of Buffer Overflow Probabilities in a Queuing

Network. Proceedings of ReSim/COP 2002

4.

S. Juneja. Importance Sampling and the Cyclic Approach. Operations Research, 49-6, 2001,

900-912

5.

C.S. Chang, P. Heidelberger, S. Juneja, P. Shahabuddin. Effective Bandwidth and Fast

Simulation of ATM Intree Networks. Performance Evaluation 20, 1994, 45-65

6.

C. S. Chang, P. Heidelberger, S. Juneja and P. Shahabuddin. Effective Bandwidth and Fast

Simulation of ATM Intree Networks. Proceedings of PERFORMANCE’93 Conference,

Rome, Italy. 41-58

Adaptive, Stochastic Approximation Based Algorithms for Markov Chains

1.

I. Ahamed, V. S. Borkar, S. Juneja. Adaptive Importance Sampling for Markov Chains using Stochastic Approximation. To appear in Operations Research

2.

R. Randhawa and S. Juneja. Combining Importance Sampling and Temporal Difference

Control Variates to Simulate Markov Chains. ACM TOMACS, 14, 1, 2004, 1-30

3.

V. S. Borkar, S. Juneja, A. A. Kherani. Performance Analysis Conditioned on Rare Events:

An Adaptive Simulation Scheme. Communications in Information and Systems, 3, 4, 2004,

259-278

4.

V. S. Borkar, S. Juneja, A. A. Kherani. An Adaptive Simulation Scheme for Conditional

Performance Analysis. Proceedings of the International Workshop on IT-Enabled

Manufacturing, Logistics and Supply Chain Management , 2003, 170-176

5.

R. Randhawa and S. Juneja. Simulating Rare Events by Combining Temporal Difference

Methods and Importance Sampling. Proceedings of ReSim/COP 2002

Reliability Systems

1.

S. Juneja, P. Shahabuddin. Efficient Simulation of Markov Chains with Small Transition

Probabilities. Management Science , 47-4, 2001, 547-562

2.

S. Juneja, P. Shahabuddin. A Splitting Based Importance Sampling Algorithm for Fast

Simulation of Markov Chains with Small Transition Probabilities. IEEE Transactions on

Reliability , 50-3, 2001, 235-245

3.

S. Juneja, P. Shahabuddin. Fast Simulation of Markovian Reliability/Availability Models with General Repair Policies. Proc. of the twenty second Int'l Symp. on Fault-Tolerant

Computing, IEEE Press , 1992, 150-159

Ordinal Optimization

1.

P. W. Glynn and S. Juneja. 2004. A Large Deviations Perspective on Ordinal Optimization.

Proceedings of the 2004 Winter Simulation Conference , IEEE Press. 577-585

Simulating PERT Networks

1.

S. Juneja, R. Karandikar, P. Shahabuddin. Tail Asymptotes and Fast Simulation of Delay

Probabilities in Stochastic PERT Networks. Undergoing revision for ACM TOMACS

E-Commerce

1.

A.Bassamboo, M. Gupta and S. Juneja. Efficient Winner Determination Techniques in a

Single Item Multiple Unit Auction. Proceedings of First IFIP Conference on E-commerce,

E-business and E-government , 2001, 417-430

2.

J. Shahabuddin, A. Chrungoo, V. Gupta, S. Juneja, S. Kapoor, A. Kumar. Stream-Packing:

Resource Allocation in Web Server Farms with a QoS Guarantee. HiPC 2001 , 182-191

Transportation

1.

A. Kumar, G. Batra, K. Girotra and S. Juneja. Demand Estimation for Delhi Transport

Corporation. Proceedings of National Conference on Transportation Systems , 2002, 733-

744.

Book Chapters

1.

S. Juneja and P. Shahabuddin. Rare Event Simulation Techniques: An Introduction and

Recent Advances. To appear in Handbook on Simulation.

Editors: Shane Henderson and

Barry Nelson

2.

S. Juneja. Adaptive Importance Sampling Techniques for Markov Chains: An Overview.

Operations Research with Economic and Industrial Applications: Recent trends, Anamaya

Publishers, New Delhi, 2005, 97-119

3.

S. Juneja. Efficient Rare Event Simulation using Importance Sampling: An Introduction.

Computational Mathematics Modelling and Algorithms . Narosa publishers, New Delhi,

2003, 357-396

Others

1.

A. Kamra, S. Kapila, V. Khurana, V. Yadav, R.Shorey, H. Saran and S. Juneja. SFED: A

Rate Control Based Active Queue Management Protocol. IBM IRL Research Report, New

Delhi, 2000

2.

S. Juneja, A.Rajan. Simulation Study of Renewal Approximations of GI/G/m Queue

Departure Stream. 1990. Bell Laboratories, TM 4513-910122-01TM

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