CURRICULUM VITAE

**Name
**: DEBASIS
BHATTACHARYA

**Present Address
**: 10 Galiff Street, Block-6, Flat-67,

Calcutta- 700003, India
**Phone no.**
: 91-33-2555-5128
**Fax **
: 91-33-2555-5128
**e-mail **
: debasis_us@yahoo.com

**Date of Birth**
: May 23 , 1962

**Academic Records**
:

Awarded Ph.D. degree in Statistics from the University of Calcutta
in the year 1994 (Title : Asymptotic

Properties of Log-likelihood Ratios for Dependent Processes).

Passed M.Sc. in Statistics from the University of Calcutta in the year 1984 and stood first in the examination.

Passed B.Sc. (Hons. in Statistics) from the University of Calcutta with First class in the year 1982.

**Advanced Courses Undertaken** :

- Summer School on Probability in 1986 from Indian Statistical Institute, Calcutta, India.
- Orientation Program in 1994 conducted by Academic Staff College, University of Calcutta, India (“Upgradation in Statistics,Computer awareness, Management & Personality Development”).
- Orientation Program in 1997 conducted by Academic Staff College, University of Calcutta, India ( “Upgradation in Statistics,Philosophy of Education,Indian Educational System & Pedagogy,Awareness of linkage between society, environment, development & education”).

- Served as a Visiting Professor in the Department of Statistics, University of California ,Davis(Jan.’98 - Dec.’98, Sept.’99 – June 2001) .

**Area of Research Interests :**

- Inferences in Stochastic Processes.
- Probability Theory.

- Grant from Teaching Recources Center,University of California,Davis ,CA –95616.
- Grant from University Grants Commision in the form of fellowship.
- Partial Financial Grant for research from Visva- Bharati University.

- Local Asymptotic Mixed Normality of Log-likelihood Based on Stopping Times : Calcutta Stat. Assoc. Bull.,Vol. 37. ,Nos. 147-148, pp. 143-159, 1988 (Jointly with A.K.Basu).
- Weak Convergence of Randomly Stopped Log-likelihood Ratio Statistic to Mixed Gaussian Process : Calcutta Stat. Assoc. Bull.,Vol. 39, Nos.155-156,pp.137-149,1990 (Jointly with A.K.Basu).
- On the Asymptotic Non-null Distribution of Randomly Stopped Log-likelihood ratio Statistic,Calcutta Stat. Assoc. Bull.,Vol.42,Nos. 167-168 ,pp. 225-260,1992 (Jointly with A.K.Basu).
- On the Speed of Convergence in the Central Limit Theorem of Log-likelihood Ratio Process : Journal Theoretical Probability,Vol.6, No.4, pp.619-634, October 1993 (Jointly with A.K.Basu).
- On the Speed of Convergence in the Central Limit Theorem of Sequential Log-likelihood Ratio Process : Journal of Sequential Analysis,Vol.13, No.2, pp.97-111, 1994 (Jointly with A.K.Basu).
- On the Speed of Convergence in the Central Limit Theorem of Sequential Log-likelihood Ratio Process to Standard Mixture of Normal Distributions : Indian Journal of Pure and Applied Mathematics,Published by the Indian National Science Academy,Vol.25,No.1017-1029,October 1994 (Jointly with A.K.Basu).
- On Fixed-width Confidence Intervals Associated with Maximum Likelihood Estimation of Parameter under Dependent Set-up : Mathematical Methods of Statistics, Vol.7, No.4, pp.466-478, 1998 (Jointly with A.K.Basu).
- On Asymptotically Efficient Tests for Autoregressive Process: Stochastic Modeling and Applications,Vol.2, pp.17-30,1999 (Jointly with G.G.Roussas).
- On the Speed of Convergence of Randomly Stopped Log-likelihood Ratio Process to Standard Mixture of Normal Distributions: to aopear in Statistics (Jointly with A.K.Basu).
- Asymptotic Minimax Bounds for Sequential Estimators of Parameters in a Locally Asymptotically Quadratic Family: Brazilian Journal of Probability & Statistics,13,pp.137-148,1999. (Jointly with A.K.Basu)
- Some Asymptotic Results and Exponential Approximation in Semi-Markov Models:Technical Report # 348, Division of Statistics,University of California, Davis (Jointly with G.G.Roussas).
- Asymptotic Behavior of the Log-likelihood Function in Stochastic Processes when based on a Random Number of Random Variables:Technical Report # 346, Division of Statistics,University of California,Davis. (Jointly with G.G.Roussas).
- Exponential Approximation of Distributions: Technical Report # 347, Division of Statistics,University of California, Davis (Jointly with G.G.Roussas) .In Teor.Imovirmost. ta Matem. Statyst, No66,2002,pp.109-121.
- Bayesian Estimation and Prior Selection for the AR(1) Model using Asymmetric Loss Function : Technical Report # 353, Division of Statistics,University of California, Davis (Jointly with R.A.Levine).
- Exponential Approximation for Randomly Stopped Locally Asymptotically Mixture of Normal Experiments: Technical Report#361 ,Division of Statistics, University of California, Davis, Stochastic Modeling and Applications,Vol.4, pp.56-71,2001 (Jointly with G.G.Roussas).
- On the Comparative Performance of Bayesian and Classical Point Estimators under Asymmetric Loss: Technical Report, Division of Statistics,University of California, Davis (Jointly with F.J.Samaniego and E.M. Vestrup). Sankhya (Series B ), 2003.
- On Asymptotically Efficient Sequential Tests for Auto-regressive Time Series with a Unit Root: Technical Report, Division of Statistics,University of California, Davis (Jointly with R.A.Levine). Proceedings of International Workshop on Statistical Modeling , Chania, Crete , Greece.
- On Constrained Estimation from Time -Use Survey data: Technical Report Division of Statistics,University of California, Davis (Jointly with F.J.Samaniego and E.M. Vestrup).
- Asymptotic Efficiency of Estimates of Parameters for a Locally Asymptotically Mixed Normal Family under Asymmertic Loss. Proceedings of the International Conference on Advances in Statistical Inferential Methods,Almaty,Kazakhstan.
- Real Adoption Impact – A New Approach of Measuring Adoption : Bangladesh Journal of Agricultural Science,Vol.24,No.1,pp.85-90,January,’97

**Contributed Chapters in Books and Edited books:**

- Some Asymptotic Results and Exponential Approximation in Semi-Markov Models:Chapter 8 in Semi-Markov Models and Applications,pp.149-166,Eds.J.Janssen and N.Limnios,Kluwer Academic Publishers,1999. (Jointly with G.G.Roussas).
- Asymptotic Behavior of the Log-likelihood Function in Stochastic Processes when based on a Random Number of Random Variables:Chapter 7 in Semi-Markov Models and Applications,pp.119-147.Eds. J.Janssen and N. Limnios. Kluwer Academic Publishers,1999 (Jointly with G.G.Roussas).
- Edited the (as one of the editors) Proceedings volume of “National Seminar on Sustainable Agriculture in Sub-humid Zone”

**Popular Lectures and Published Scientific Articles :**

- Traditional Wisdom in the Way of Generation of Statistical Methodology : Presented in a session of Indian Science Congress, 1993, Bangalore. Published in the Proceedings of ICSA.
- Statistical Predictability – An Overview : Lecture delivered in a Seminar organized by the Department of Philosophy, Visva-Bharati University,in memory of Karl Poper,Feb.’96.
- Decision Theoretic Approach to Environmental Impact Analysis : Selected readings on Environmental Awareness and Education, Ed. D.DasGupta, pp.103-110,1998
- Weather Forecasting – An Aid to Environmental Awareness : Selected readings on Environmental Awareness and Education, Ed. D.DasGupta, pp.87-95,1998.
- Decision Making Role of Rural Women in Rural Development – A Quantitative Study : Proceedings of the National Symposium on Social Science Perspective in Agriculture Research, Visva-Bharati University,December 18-20,pp. 143-156,1997
- Sustainable Agriculture – A Trade-off between Costs and Benefits : Proceedings of the National Seminar on Sustainable Agriculture in Sub-humid Zone, Visva-Bharati University,pp.436-444 (March 3-5,1995).
- Bootstrapping – A Resampling Methodology : Lecture delivered in a National Seminar on “Methodology and Science”,Visva-Bharati University. March 25- 27 1999
- Environmental Pollution – Some Issues and its Control : Lecture delivered in Fourth University Grant Commission sponsored Refresher Program for College and University Teachers,Department of Botany,Visva-Bharati University,1995.
- Simpson’s Paradox to Kaplan-Meier Estimator ; Some Applications in Life Science.Lecture delivered in Sixth University Grant Commission sponsored Refresher Program for College and University Teachers,Department of Botany,Visva-Bharati University,2002

**Membership of Learned Society :**

Member of the **American
Statistical Association,The Institute of Mathematical**
** Statistics USA,
Indian Statistical Institute, Calcutta Statistical Association,**
** Indian Science
Congress Association, Indian Association for Productivity,**
** Quality and Reliability.**

**Workshops Attended :**

- Workshop on "Intrinsic Bayes Factor",11-12 June,1995 at Department of Statistics, Purdue University, Indiana, U.S.A..
- Workshop on "Statistical Methods in Market Research",29-30 December,1995 at Department of Statistics, Calcutta University.
- Lectures and Computer Workshop on "Introduction to Mathematica",19-21 June, 2000 at University of California, Davis, U.S.A..
- Workshop on "Teaching First Year Courses and Seminars on Quantitative Reasoning",6-8 July, 2000 at Department of Statistics, Stanford University, U.S.A..
- Summer Institute on Technology and Teaching, 17-21 July, Univesity of California, Davis, U.S.A..
- Workshop on “Asymptotic Methods in Statistics and Probability”19-21 May,2001 Department of Statistics,University of California Davis,U.S.A..
- Symposium on Stochastic and Applications, 15-17 August,2002, Department of Mathematics and Department of Statistics and Applied Probability, National University of Singapore, Singapore.
- International Conference on Advances in Statistical Inferential Methods (ASIM), Almaty ,Kazakhstan,June 9-12,2003.

**Different Universities visited:**

Stanford University,U.S.A.
(2000).

Purdue University,Indiana
U.S.A.(1995).

University of California,(Davis
& Riverside campus),U.S.A.(1998,1999-2001)

Korea University ,Seoul(1998)

National University of Singapore,
Singapore (2002)

Kazakhstan Institute of
Management ,Economics and Strategic Research (KIMEP)

Replublic of Kazakhstan(2003)

** Editorial Responsibilities:**

Executive editor of
“Stochastic Modeling and Applications”

** Miscellaneous :**

- National Scholarship awardee. Recipient of Ashutosh Memorial Award.
- Qualified U.G.C. conducted all India National Education Test (NET) in Statistics (1985)and GATE
- Organized National Seminars and Workshops.
- Referred papers of National and International journals.