CURRICULUM VITAE
  August 2007

NAME: Pinyuen Chen

WORK ADDRESS:
Department of Mathematics, 215 Carnegie Building, Syracuse University, Syracuse, New York 13244-1150. (315) 443-1577.

EMAIL ADDRESS:
mailto:pinchen@mailbox.syr.edu

EDUCATION:
Ph.D., Statistics, University of California, Santa Barbara
M.S., Mathematics, University of Miami, Florida
B.S., Mathematics, Cheng-Kung University, Taiwan

PROFESSIONAL EMPLOYMENT:
1994 - present: Professor, Department of Mathematics, Syracuse University
1995 - 2006: Director, Interdisciplinary Statistics Program, College of Arts and Science, Syracuse University

CURRENT RESEARCH INTERESTS:
Statistical Signal Processing, Ranking and Selection, Multivariate Analysis, Dirichlet Integrals, Multinomial Selection.

GRANTS AND FELLOWSHIPS:
6/8/05 - 6/7/08 Air Force Research Laboratory Grant: Statistical Selection Theory Applied to Multiple Target Detection.
1/27/03 - 8/23/04 Air Force Research Laboratory Grant: Statistical Estimation in MUSIC (MUltiple SIgnal Classification)
8/24/01 - 8/23/02 Air Force Research Laboratory Grant: Statistical Inferences on the Number of Signals.
10/1/99 - 8/23/01 Air Force Research Laboratory Grant: Selection Theory in Radar Signal Processing.
5/8/98 - 8/23/99 Air Force Research Laboratory Grant: Selection Theory in Radar Signal Processing.
1/1/97 - 12/31/97 Air Force Research Laboratory Grant: Selection Theory in Radar Signal Processing.
Summer, 1995 Summer research fellow, Signal Processing Branch (OCSS), US Air Force Griffiss Air Force Base, NY
Summer, 1994 Summer research fellow, Signal Processing Branch (OCST), US Air Force Griffiss Air Force Base, NY.
1/93 - 12/93 Air Force Office of Scientific Research: Research Initiation Grant.
Summer, 1992 Summer research fellow, Image Processing Branch (IRRE), US Air Force Griffiss Air Force Base.
Summer 1990 Summer research fellow, US Air Force Human Resources Laboratory, Brooks Air Force Base, TX.
9/86 - 12/86 Visiting Fellow, Mathematical Research Institute, Cornell University.

PUBLICATIONS IN REFEREED JOURNALS AND BOOKS:

1. (with Milton Sobel) SELECTING THE t BEST CELLS OF A MULTINOMIAL USING INVERSE SAMPLING (1984), Inequalities in Statistics and Probability (edited by Y. L. Tong), The Institute of Mathematical Statistics, 206-210.

2. (with Milton Sobel) SELECTING AMONG MULTINOMIAL CELLS USING INVERSE SAMPLING-A GENERALIZED GOAL (1984), Statistics and Decisions, Supplement Issue No. 1, 285-295.

3. SUBSET SELECTION FOR THE LEAST PROBABLE MULTINOMIAL CELL (1985), Ann. Inst. Statist, Math. 37, Part A, 303-314.

4. (with Milton Sobel) ON A NEW CRITERION FOR SELECTING THE MOST PROBABLE CELL IN A MULTINOMIAL DISTRIBUTION (1985), The frontiers of Modern Statistical Inference Procedures I, Proceedings and Discussions of the IPASPA'S Conference (edited by E. J. Dudewicz), American Sciences Press, Inc., 215-236.

5. ON THE LEAST FAVORABLE CONFIGURATION IN MULTINOMIAL SELECTION PROBLEM (1986), Commun. Statist. - Theor. Meth. 15(2), 367- 385.

6. INVERSE SAMPLING SUBSET SELECTION FOR MULTINOMIAL DISTRIBUTION (1986), American Journal of Mathematical and Management Sciences, Vol. 6, Nos. 1 and 2, 41 - 64.

7. (with Milton Sobel) AN INTEGRATED FORMULATION FOR SELECTING THE t BEST OF k NORMAL POPULATION (1987), Commun. Statist-Theor. Meth., 16(1)121-146.

8. COMPARISON OF MULTINOMIAL CELLS WITH A CONTROL (1987), Statistics and Decisions, Vol. 5, No. 1/2, 33-46.

9. THE K-IN-A-ROW PROCEDURE IN SELECTION THEORY (1987), Ann. Inst. Statist. Math. 39, part A, 325-330.

10. (with Milton Sobel) AN INTEGRATED FORMULATION FOR THE MULTINOMIAL SELECTION PROBLEM (1987), Commun. Statist. - Theor. Meth., 16(1), 147-180.

11. (with L. Hsu and Milton Sobel) ENTROPY BASED OPTIMAL GROUP TESTING PROCEDURES (1987). Probability in Engineering and Informational Sciences, 1, 497-509.

12. (with Marc Sobel and Milton Sobel) SELECTION PROBLEM FOR A MODIFIED MULTINOMIAL (VOTING) MODEL (1988). Statistical Decision Theory and Related Topics IV (Ed. Gupta and Berger), Vol. 2, Springer-Verlag, New York, 23-32.

13. AN INTEGRATED FORMULATION FOR MULTINOMIAL SELECTION PROBLEMS. (1988) Annals of the Institute of Statistical Mathematics, Vol. 40, No. 3, 615-625.

14. SELECTING THE BEST MULTINOMIAL CELL-PROVIDED IT IS BETTER THAN A CONTROL (1988) Biometrical Journal, 30(8), 985-992.

15. CLOSED INVERSE SAMPLING PROCEDURE FOR SELECTING THE LARGEST MULTINOMIAL CELL PROBABILITY (1988) Communications in Statistics, Simulation and Computation, 17(3), 969-994.

16. TRUNCATED INVERSE SAMPLING PROCEDURE FOR MULTINOMIAL SUBSET SELECTION. (1989), Sankhya, Indian Statistical Institute, 13, 51 (2), 158-183.

17. (with R.E. Bechhofer) A NOTE ON A CURTAILED SEQUENTIAL PROCEDURE FOR SUBSET SELECTION OF MULTINOMIAL CELLS. (1991) American Journal of Mathematical and Management Sciences, Vol. 11, Nos. 3 & 4, 309-324.

18. (with L. Hsu) A COMPOSITE STOPPING RULE FOR MULTINOMIAL SUBSET SELECTION (1991) British Journal of Mathematical and Statistical Psychology, 44, 403-411.

19. (with L. Hsu) ON A SEQUENTIAL SUBSET SELECTION PROCEDURE FOR THE LEAST PROBABLE MULTINOMIAL CELL (1991). Communications in Statistics, Theory and Methods, 20, 9, 2845-2862.

20. (with L. Hsu) PARTITIONING MULTINOMIAL CELLS (1992), The Frontiers of Modern Statistical Inference Procedures, Vol. II (edited by E. Bofinger, E. J. Dudewicz, G. J. Lewis, and K. Mengersen), American Sciences Press, Inc., 239-254.

21. (with Marc Sobel, and Milton Sobel) A CONDITIONAL ANALYSIS FOR A TWO STAGE SELECTION PROCEDURE FOR SELECTING THE BEST MEAN. (1991) American Journal of Mathematical and Management Sciences, Vol. 11, Nos. 3 & 4, 325-350.

22. (with L. Hsu) A TWO STAGE DESIGN FOR COMPARING CLINICAL TRIALS (1992). Biometrical Journal, 34 (1), 29-35.

23. TRUNCATED SELECTION PROCEDURES FOR THE MOST PROBABLE EVENT AND THE LEAST PROBABLE EVENT (1992). Annals of the Institute of Statistical Mathematics, vol. 44, no. 4, 613-622.

24. (with Milton Sobel) AN OPTIMAL STOPPING RULE FOR MULTINOMIAL INVERSE SAMPLING PROBLEMS (1993) Multiple Comparisons, Selection and Biometry: a festschrift in honor of Charles W. Dunnett (edited by F. Hoppe), Mercel Dekker, Inc., 531-548.

25. (with S. Panchapakesan and Milton Sobel) SELECTING AMONG THE MULTINOMIAL LOSERS (1994), Sequential Analysis, 13, 3, 177-200.

26. ON CHOOSING AMONG SEVERAL EXPERIMENTAL TREATMENTS AND A CONTROL (1994), Biometrical Journal, 36, 6, 709-718.

27. (with L. Hsu) SELECTING THE BEST POPULATION, PROVIDED IT IS BETTER THAN A CONTROL: THE UNEQUAL VARIANCES CASE (1996), Bimetrical Journal, 38, 4, 425-432.

28. (with J. Zhang) AN INTEGRATED FORMULATION FOR SELECTING THE BEST NORMAL POPULATION: THE COMMON AND UNKNOWN VARIANCE CASE (1997), Communications in Statistics, Theory and Methods. Vol. 26, #11, 2701 -2704.

29. (with M. Aoshima) ON A TWO-STAGE PROCEDURE FOR SELECTING THE LARGEST MULTINOMIAL CELL PROBABILITY (1999), Sequential Analysis, 18(2), 143-155.

30. (with Melvin, W. L. and Wicks, M. C.) SCREENING AMONG MULTIVARIATE NORML DATA (1999), Journal of Multivariate Analysis, 69, 10-29.

31. (with Wicks, M. C.) A SIMULATION STUDY OF A SELECTION PROCEDURE IN A RADAR SIGNAL PROCESSING WITH AN APPLICATION IN MEDICAL IMAGING. (2000) Biometrical Journal, 42, 1, 119-128.

32. A SELECTION PROCEDURE PRIOR TO SIGNAL DETECTION. (2000), in Advances on Theoretical and Methodological Aspects of Probability and Statistics (edited by N. Balakrishnan), Gordon and Breach Science Publishers, 391-398.

33. (with Wicks, M. C. and Adve, R. S.) DEVELOPMENT OF A PROCEDURE FOR DETECTING THE NUMBER OF SIGNAL IN A RADAR MEASUREMENT (2001), IEE Proceedings Radar, Sonar Navig., vol. 148, no. 4, 219-226.

34. A SELECTION PROCEDURE FOR ESTIMATING THE NUMBER OF SIGNAL COMPONENTS (2002), Journal of Statistical Planning and Inference, v. 105, issue 2, 299-311.

35. (with J. Zhang) AN INTEGRATED FORMULATION FOR SELECTING THE BEST NORMAL POPULATION: THE UNEQUAL AND UNKNOWN VARIANCE CASE (2002), The Journal of Applied Mathematics and Decision Sciences. Vol. 6, no. 1, 23-42.

36.  (with Wicks, M. C.) Development of a lower confidence limit for the number of signals (2003). IEEE Transactions on Signal Processing, Vol. 51, no. 6, 1449-1456.

37. (with Aoshima, M. and Panchapakesan, S.) Sequential Procedure for Selecting the Most Probable Multinomial Cell When a Nuisance Cell is Present (2003), Communications in Statistics, Theory and Methods, V. 32, Issue 4, 893-906.

38. Estimating the upper limit of the number of signals (2003), Signal Processing, Vol. 83, no. 10, 2265-2277.

39. (with Rollin, L.) A Two-Stage Selection and Testing Design for Comparing Several Normal Means with a Standard (2003), Sequential Analysis, v. 22, no. 4, 287 - 305.

40. (with Rollin, L.) A Two-Stage Selection and Testing Design for Comparing Several Normal Means with a Standard when  the variances are unknown (2004). Sequential Analysis, Vol. 23, no. 1, 75 -101.

41. (with Panchapakesan, S.) Detecting Multiple Targets Simultaneously at k Sites (2004). Communications in Statistics, Theory & Methods, Vol. 33, no. 7, 1667 - 1688.

42. (with Zhang, J. and Fang, Y.) A Two-Stage Procedure on Camparing Several Experimental Treatments and a Control (2005). The Journal of Applied Mathematics and Decision Sciences. (2005) 1, 47-58.

43. (with Rollin, L.) A Two-Stage Design for Choosing Among Experimental Treatments in Clinical Trials (2005). In Advances in Ranking and Selection, Multiple Comparisons, and Reliability, a special volume in honor of S. Panchapakesan. (Edited by N. Balakrishnan, N. Kannan, & H. N. Nagaraja), 385-409, Birkhauser.

44. (with Buzaianu, E. M.) On Selecting Among Treatments With Binomial Outcomes (2005). Communications in Statistics, Theory and Methods. Vol. 34, Number 6, 1247-1264.

45. An Interval Estimation for the Number of Signals (2005). Signal Processing, v. 85, 1623-1633.

46. (with John, T.) Log-normal Selection with Applications to Lifetime Data (2006). IEEE Transactions on Reliability, Vol. 55, Number 1, 135-148.

47. (with Panchapakesan, S.) Signal processing, Selection Theory In. (2005). In Encyclopedia in Statistics, 2nd edition, Volume 12, 7711-7716, Wiley, New York.

48. A Confidence Interval for the Number of Principal Components (2006). Journal of Statistical Planning and Inferences. 136, 2630-2639.

49. (with John, T.) Log-normal selection using type-II censored samples - unknown variance case (2006). Sequential Analysis v. 25, no. 2, 151-166.

50. (with Markow, J. and Wicks, M.) Building a Confidence Interval for the Number of Signals in Noise using Likelihood Ratio Test Statistics. To appear in IET Radar, Sonar & Navigation .

51. (with Buzaianu, E. M.) Curtailment Procedure for Selecting Among Bernoulli Populations. To appear in Communications in Statistics, Theory & Methods.

 

PUBLICATIONS IN CONFERENCE PROCEEDINGS: (Many of them are more significant than journal articles.)

1. ON SELECTING THE BEST OF k SYSTEMS: AN EXPOSITORY SURVEY OF SUBSET-SELECTION MULTINOMIAL PROCEDURES (1988). 1988 Winter Simulation Conference Proceedings (edited by M. A. Abrams, P. L. Haigh, and J. C. Comfort), 440-444.

2. (with S. Panchapakesan) AN INTEGRATED FORMULATION FOR SELECTING THE BEST NORMAL POPULATION AND ELIMINATING BAD ONES (1994), Proceedings of the 11th Computational Statistics Symposium, Vienna, Austria (edited by R. Dutter and W. Grossmann), 18-19.

3. (with Ji, Yuanqing) AN INTEGRATED NONPARAMETRIC PROCEDURE FOR SELECTING THE BEST POPULATION (1994), Proceedings of the 3rd Schwerin Conference On Mathematical Statistics, (edited by Herrendorfer, G. and Miescke, K. J.), Dummerstorf, Germany, 1-11.

4. (with M. Sobel) PARTITIONING MULTINOMIAL CELLS USING INVERSE SAMPLING (1995), Bulletin of The International Statistical Institute, Contributed papers, 50th session, 181-182.

5. (with M. C. Wicks and W. L. Melvin) AN EFFICIENT ARCHITECTURE FOR NONHOMOGENEITY DETECTION IN SPACE-TIME ADAPTIVE PROCESSING AIRBORNE EARLY WARNING RADAR (1997), Proceedings of the 1997 International Radar Conference, October 1997, Edinburgh, UK, Publication Number 449, 295-299.

6. (with W. L. Melvin and M. C. Wicks) SAMPLE SELECTION FOR IMPROVED ADPTIVE AIRBORNE RADAR, Proceedings of the Fifth Adaptive Sensor Array Processing (ASAP-5) Workshop (March 12-14, 1997), (edited by G. M. O’Donovan), MIT Lincoln Laboratory, 193-216.

7. (with Melvin, W. L. and Wicks, M. C.) PARTITIONING PROCEDURE IN RADAR SIGNAL PROCESSING PROBLEMS, American Statistical Association 1997 Proceedings of the Section on Physical & Engineering Sciences, 105-110.

8. (with Wicks, M. C.) STATISTICAL REGNITION OF NON-HOMOGENEOUS COVARIANCE STRUCTURES (1999), Proceedings of the 33rd Annual Conference on Information Sciences and Systems (edited by J. L. Prince and T. D. Tran), The Johns Hopkins University, 69-74.

9. (with Wicks, M. C.) A PROCEDURE FOR DETECTING THE NUMBER OF SIGNAL COMPONENTS IN A RADAR MEASUREMENT (2000), Proceedings of the IEEE International Radar Conference, Arlington, Virginia, IEEE Aerospace and Electronic Systems Society, 451-456.

10. (with Wicks, M. C.) RANKING AND SELECTION FOR TRAINING DATA SELECTION IN MULTI-CHANNEL RADAR (2000), Proceedings of the 2000 Antenna Applications Symposium, Allerton Park, Monticello, Illinois, 23-28.

11. (with Zhang, S., Cushman, T., Wicks, M. C.) A MULTI-STEP SELECTION PROCEDURE FOR ESTIMATING THE NUMBER OF SIGNAL COMPONENTS (2001), Proceedings of 2001 IEEE Radar Conference, Atlanta, Georgia, Sponsored by IEEE Aerospace and Electronic Systems Society, 129-134.

12. (with Wicks, M. C.) RANKING AND SELECTION APPLIED TO EIGEN-ANALYSIS OF ARRAY (2001), Proceedings of the 2001 Antenna Applications Symposium, Allerton Park, Monticello, Illinois, 464-476.

13 (with Wick, M. C.) A LOWER CONFIDENCE LIMIT FOR THE NUMBER OF SIGNALS (2002), Proceedings of the 2002 IEEE Radar Conference, Long Beach, California, Sponsored by IEEE Aerospace and Electronic Systems Society. In a CD.

14. (with Rangaswamy, M., Michels, J., and Himed, B.) A comparison of two non-homogeneity detection methods for space-time adaptive processing. Proceedings of the Second IEEE Sensor Array and Multichannel Signal Processing Workshop, August 4-6, 2002, Rosslyn, Virginia, 355-359.

15. (with Wicks, M. C.) A CONFIDENCE INTERVAL ESTIMATION FOR THE NUMBER OF SIGNALS, Proceedings of RADAR 2002, IEE Publication 490, Edinburgh International Conference Centre, UK, 15-17 October 2002, 344-348.

16. (with Wicks, M. C. and Genello, G.) Estimating the number of signals in presence of colored noise, Proceedings of 2004 IEEE Radar Conference, Philadelphia, PA, April 26-28.

17. (with Markow, J. and Wicks, M.) A Likelihood Ratio Test Based Interval Estimate of the Number of Signals Present in a Measurement” Proceedings of 2006 IEEE Radar Conference, Verona, NY, April 27.

Technical Reports:
* (with L. T. Bernhofen) A comparative analysis of a 4-group and 6-group job classification, 1990 AFOSR Summer Faculty Research Final Report, v. 4, #131, 1-20.

* Statistical Comparison of Several automatic target recognition (ATR) systems, Final Report, 1992 AFOSR Summer Faculty Research Program.

* On testing the equality of covariance matrices under singularity, Final Report, 1994 AFOSR Summer Faculty Research Program.

* Partitioning Procedure in Radar Signal Processing Problems, Final Report, 1995 AFOSR Summer Faculty Research Program.

Work in Progress:

* (with John, T.) L1 - Limit of Trimmed Sums of Order Statistics From Location-SCale Distributions with Applications to Type-II Cencored Data Analysis. Submitted.

* (with Foster, K. and Kim, H.) Classifying genetic sequences according to transition matrices.

* (with Hsu, Lifang) Plug-in Estimate based Confidence Limits for the Number of Principal Components.

* (with Yang, J) Estimation of the Number of Signals Based on Various Model Selection Criteria. Submitted.

* (with Buzaianu, E. M.) A Hybrid Testing and Selection Procedure with Curtailment. Submitted.

* (with Zuo, Long) Confidence Limits for the Number of Signals.

* (with Lin, Ying) Confidence Interval for the Number of Important Principal Components.

* (with Cai, Weixing) Screening for Multiple Targets Detection. Submitted.

* (
with Cai, Weixing) Testing and Selecting Among k Multivariate Normal Populations for Equivalence with Respect to a Standard Vector. Submitted.

 

* (with Cai, Weixing) Partitioning k Multivariate Normal Populations with Respect to a Standard Vector and its Equivalence to Multiple Testing. Submitted.

* (with Cai, Weixing) Testing and Subset Selection for Equivalence among k Multivariate Normal Populations with Respect to a Standard Vector.

 

* (with Wu, Ling-Ling and Chuang, Ya-Lan) Motivation to Use Search Engine: A Two-Factor Model. Submitted.

 

PATENT DISCLOSURE:

(with W. Melvin and M. Wicks) Nonhomogeneity detection method and apparatus for improved adaptive signal processing, USA Patent Number 5706013, January, 6, 1998.

Ph. D. STUDENTS AND THEIR DISSERTATION TITLES:

Laura T. Bernhofen (1994) Procedures for selecting the best experimental treatment with comparison to a control.

Jun-Lue Zhang (1995) A integrated approach to some ranking and selection problems.

Linda Rollin (2002) Two-stage selection and testing designs for comparing normal means with a standard.

Thomas John (2004) Lognormal Selection with Applications to Lifetime Data.

Elena Mihaela Buzaianu (2006) SElection Procedures for Binomial Populations.

BOOK:
(with Edward J. Dudewicz, and Baldeo K. Taneja) Modern Elementary Probability and Statistics, American Sciences Press, 1990.

BOOK REVIEWED:
MULTI-STAGE SELECTION AND RANKING PROCEDURES:SECOND ORDER ASYMTOTICS by N. Mukhopadhyay and T. K. Solanky, Wiley, NY. In The Journal of American Statistical Association (1995), vol. 90, #431, 1130-1131.

ADVANCES IN STATISTICAL DECISION THEORY AND APPLICATIONS by S. Panchapakesan and N. Balakrishnan, Birkhauser, Boston 1997. In The Journal of American Statistical Association (1998), vol. 93, #443, 1239-1240.

NON-TECHNICAL PUBLICATION:
(with the members of the New Researchers’ Committee of The Institute of Mathematical Statistics) (1991) Meeting the needs of new statistical researchers, Statistical Science, v. 6, #2, 163-174.

RECENT PRESENTATIONS:

* August 11, 1993, The Joint Statistics Annual Meetings, San Francisco, CA., presented a 20-minute selected paper "On Comparing Automatic Target Recognition Systems".

* September 6, 1993, The 3rd Schwerin Conference on mathematical statistics, Bad Doberon, Germany, presented an invited talk "An integrated nonparametric procedure for selecting the best population".

* April 27, 1994, The TIMS/ORSA Joint National Meeting, Boston, MA., presented an invited paper "Statistical Comparison of Several Automatic Target Recognition Systems".

* May 19, 1994, Statistics Seminar, Department of Statistics, Cheng-Kung University, Tainan, Taiwan, presented an invited talk on "An Integrated nonparametric procedure for selecting the best population".

* August 19, 1994, Statistics Seminar, Institute of Statistics, Ulm University, Ulm, Germany, presented an invited talk on "An Integrated nonparametric procedure for selecting the best population".

* August 23, 1994, The 11th Symposium on Computational Statistics, Vienna, Austria, presented a talk on "An Integrated Formulation For Selecting The Best Normal Population And Eliminating Bad Ones".

* August 24, 1995, The 50th session of the International Statistics Institute, Beijing, China, presented an invited paper "Partitioning Multinomial Cells Using Inverse Sampling".

* August 29-30, 1995, The Department of Mathematics, The Beijing Normal University, Beijing, China, gave three one-hour lectures on "Ranking and selection Theory and its Applications".

* July 15, 1996, The First Statistics Conference of Two Sides of Straits & The Fifth South Taiwan Statistics Conference, Taiwan, presented a talk on "On selecting among the multinomial cells".

* May 16, 1997, Department of Mathematics and informatics, Tokyo Gakugei University, Tokyo, gave an invited talk "Multinomial Selection Problems".

* May 21, 1997, International Symposium on Contemporary Multivariate Analysis and its applications, Hong Kong, presented the paper "On Selecting Among the Multinomial Cells".

* August 12, 1997, Joint Statistical Meetings, Anaheim, CA., presented in poster session "Partitioning Procedure in Radar Signal Processing Problems".

* November 4, 1997, School of Industrial and Systems Engineering, Georgia Institute of Technology, Atlanta, GA., gave a seminar talk on "Some Statistical Aspects of Radar Signal Processing".

* February 26, 1998, Department of Mathematics, Syracuse University, gave a Mathematics Graduate Organization colloquium on "Some Statistical Aspects of Radar Signal Processing".

* August 25, 1998, XIII Symposium on Computational Statistics, Bristol, England, presented a paper "A Simulation Study of A Partitioning Procedure for Radar Signal Processing".

* October 11, 1998, International Indian Statistical Association Conference 1998, McMaster University, Canada, presented a talk "Some Statistical Aspects of Radar Signal Processing".

* December 12, 1998, 7th International Matrix and Statistics Workshop, Nova Southeastern University, Ft. Lauderdale, Florida, presented a talk "On Comparing Two Covariance Matrices".

* December 17, 1998, Working group on Correlated Data, Dept. of Mathematics, Syracuse University, gave a lecture on "Handling Unknown Covariance Matrix In Radar Signal Processing."

* March 17, 1999, The 33rd Annual Conference on Information Sciences and Systems, Johns Hopkins University, Baltimore, Maryland, presented a paper "Statistical Regognition of Non-homogeneous Covariance Structure."

* May 19, 1999, International Conference on Radar Systems, Brest, France, presented a paper "Radar Signal Detection Following Non-homogeneous Data Screening."

* August 11, 1999, The 52nd Session of the International Statistical Institute, Helsinki, Finland, presented a paper "Statistical Screening among Signal Processing Data."

* December 19, 1999, Sixth International Conference of the Forum for Interdisciplinary Mathematics, Mobile, Alabama, presented an invited paper "Screening Among Multivariate Normal Data for Radar Signal Processing."

* March 17, 2000, Statistics: Reflections on the past and visions for the future, An international conference in honor of Professor C. R. Rao, San Antonio, TX, presented an invited paper "Preprocessing Unknown Unequal Covariance Matrices for Signal Detection."

* April 20, 2000, Department of Biostatistics Colloquium, Columbia University, New York, NY. presented an invited colloquium "Some Statistical Aspects of Signal Processing."

* May 10, 2000, IEEE 2000 International Radar Conference, Alexandria, Virginia, presented an invited talk "A Procedure for detecting the number of signal components in a radar measurement."

* July 6, 2000, Radio Science and Engineering Division, Stanford Research Institute, Palo Alto, CA, presented an invited talk "Some Statistical Aspects of Signal Processing."

* July 10, 2000, Department of Electrical and Computing Engineering Colloquium, University of California, Santa Barbara, presented an invited colloquium "Some Statistical Aspects of Signal Processing."

* August 13, 2000, National Key Lab of Radar Signal Processing at Xidian University, Xian, China, presented an invited colloquium "Some Statistical Aspects of Signal Processing."

* August 17, 2000, Department of Electrical Engineering, Beijing Institute of Technology, Beijing, China, presented an invited colloquium "Ranking and Selection for Training Data Selection in Multi-Channel Radar."

* September 20, 2000,  Antenna Applications Symposium, Park Monticello, Illinois, presented an invited paper "Ranking and Selection for Training Data Selection in Multi-Channel Radar."

* July 7, 2001, Statistics 2001 Canada, Montreal, Canada, presented a contributed paper "A Selection Procedure for Estimating the Multiplicity of the Smallest Eigenvalue."

* August 6, 2001, Joint Statistical Meetings, Atlanta, Georgia, presented a contributed paper "On Detecting the Number of Signal Components."

* August 13, 2001, Academia Sinica, Taipei, presented an invited colloquium "Some Statistical Aspects of Signal Processing."

* August 19, 2001, The fifth ICSA International Conference, Hong Kong, presented a paper "On Estimating the Number of the Smallest Eigenvalues."

* October 17, 2001, Department of Mathematics and Statistics, McMaster University, presented an invited seminar "A Multi-step Selection Procedure for Estimating the Number of Signals."

* October 18, 2001, Department of Statistics, University of Toronto, presented an invited seminar "Some Statistical Aspects of Signal Processing."

* October 30, 2001, Antenna Applications Symposium, Park Monticello, Illinois, presented an invited paper "Ranking and Selection Applied to Eigen-Analysis of Array."

* December 5, 2001, Department of Biostatistics, University of Rochester, presented an invited colloquium "Ranking and Selection Applied to Signal Detection."

* April 23, 2002, Department of Statistics and Applied Probability, University of California at Santa Barbara,  presented an invited colloquium "Ranking and Selection Applied to Signal Processing."

* April 24, 2002, Department of Mathematics, California State University at Long Beach,  presented an invited colloquium "Ranking and Selection Applied to Signal Processing."

* April 24, 2002, IEEE Radar Conference, Long Beach, CA, presented a paper "A Lower Confidence Limit for the Number of Signals."

* June 15, 2002, International Indian Statistical Association Conference, DeKalb, Illinois, presented an invited paper "Detecting multiple targets simultaneously at k sites."

* August 14, 2002, Joint Statistics Meeting, New York, NY, presented a contributed paper "A confidence interval estimation for the number of signals."

* October 16, 2002, IEE Rader Conderence, Edinburgh, UK, presented an invited paper "A confidence interval estimation for the number of signals."

* March 12, 2003, Radar Interferometry Group, Department of Electrical Engineering and Department of Geophysics, Stanford University, presented an invited seminar "Two Problems in Statistical Signal Processing."

* March 13, 2003, Department of Applied Mathematics and Statistics, UC Santa Cruz, presented an invited seminar "Two Problems in Statistical Signal Processing."

* June 19, 2003, Seventh Purdue International Symposium on Statistics, West Lafayette, Indiana, presented an invited paper "An Application of Ranking and Selection Theory in Signal Processing: The Number of Signals."

* August 6, 2003, Joint Statistics Meetings, San Francisco, CA, presented a contributed paper "Estimating the Number of Signals in Presence of Colored Noise."

* October 11, 2003, American Mathematical Society Eastern Sectional Meeting #990, Binghamton, NY, presented an invited talk "On the number of signals."

* November 4, 2003, Department of Statistics, UC at Riverside, CA, presented an invited colloquium "On the number of signals."

* April 28, 2004, IEEE Radar Conference, Philadelphia, PA, presented a contributed paper "Estimating the number of signals in presence of colored noise."

* July 8, 2005, The joint Meeting of the Chinese Society of Probability and Statistics (CSPS) and the Institute of Mathematical Statistics (IMS), Beijing, China, presented a contributed paper "On the number of principal components."

* July 23, 2005, The Mathematics of Medical Imaging Workshop, Atlanta, GA, presented a proposal "Confidence Interval Based PCA applied to fMRI.

* December 21, 2005, National Sun-Yat-Sen University, Taiwan, presented an invited talk “Two Statistical Issues in Signal Processing”

* December 22, 2005, National Cheng-Kung University, Taiwan, presented an invited “Two Statistical Issues in Signal Processing”

* December 23, 2005, Feng-Chia University, Taiwan, presented an invited talk “On Selecting Treatments with Binomial Outcomes”

* December 26, 2005, Academic Sinica, Taiwan, presented an invited talk “On the number of Principal Components”

* December 30, 2005, National Tsing Hua University, Taiwan, presented an invited talk “On the number of Principal Components”

* March 18, 2006, City University of Hong Kong, presented an invited talk "A Confident Interval for the Number of Principal Components Applied to Financial Data"

* July 4, 2007, presented an invited talk “Statistics in Data Mining” at Data Mining Workshop, Information Management Association, Taipei, Taiwan.