R. Charles Hagwood

Born:

place:

B.S. 1973 (Mathematics), North Carolina A&T State University, Greensboro, NC; M.S. (Mathematics), University of Michigan, Ann Arbor, MI, 1975

Ph.D. (Mathematics), University of Michigan, Ann Arbor, MI, 1979

thesis:A Nonlinear Renewal Theorem for Discrete Random Variables; Advisor: Michael Woodroofearea of degree: Statisticics

personal or universal URL: http://www.nist.gov/itl/div898/bios/hagwood.html

email: charles.hagwood@nist.gov

Mailing Address:

National Institute of Standards & Technology

Statistical Engineering Division

NIST North, Room 353

Gaithersburg, MD 20899-0001 USA

Technical Areas of Research and Consulting:: Stochastic modeling, mathematical statistics, theoretical probability, applied probability, consulting with physical scientists.

Awards:

Andrew R. Chi Prize Paper Award, 1991

Ford Foundation Fellow, Stanford University, 1984-1985Research

Dr. Hagwood has published 22 papers in Mathematical Statistics:

22. Hagwood, C., Clough, R., and Fields. R. (1999). "Estimation of the Stress-Threshold for the Weibull Inverse Power Law,"IEEE Transactions on Reliability.

20. Hagwood, C., Sivathanu, Y. and Mulholland, G. (1999). "The DMA Transfer Function with Brownian Motion, a Trajectory/Monte Carlo Approach,"Aerosol Science and Technology, 30, 40-61.

19. Hagwood, C., Kacker, R., Yen, J., Banks, D., Rosenthal, L., Gallagher, L., Black, P. (1998). "Reliability of Conformance Tests",COMPSAC98, The Twenty-Second Annual International Computer Software & Applications Conference, Vienna Austria, August 19-21, 1998, pp 368-372.18. Banks, D., Black, P, Gallagher, L.,

Hagwood, C., Kacker, R., Rosenthal, L. and Yen, J. (1998). "Software Testing by Statistical Methods",The Eleventh International Software Quality Week, San Francisco, CA, May 26-29, 1998., Session 8, pp 2-19.17. Kensei, E.,

Hagwood, C., and Coakley, K. (1996). "Novel Method to Classify Aerosol Particles According to Their Mass-to-Charge Ratio-Aerosol Particle Mass Analyzer,"Journal of Aerosol Science27, 217-234.16. Ehara, K.,

Hagwood, C.and Coakley, K. (1996). "Novel Method to Classify Aerosol Particles According to Their Mass-to-Charge Ratio-Aerosol Particle Mass Analyzer,"Bulletin of NRML45, 265-282.15. Yudaya, S.,

Hagwood, C., and Simiu, E. (1995). "Exits in Multistable Systems Excited by Coin-Toss Square-Wave Dichotomous Noise: A Chaotic Dynamics Approach",Physical Review E52, 4669-4675.14. Coakley, K.,

Hagwood, C., Negiz, A. and Ehara, K. (1995). "Stochastic Modeling of a New Spectrometer,"Journal of Aerosol Science and Technology23, 611-627.

13. Hagwood, C., Ehara, K. and Coakley, K. (1995). "Motion of Charged Aerosol Particles Under Coexistence of Electrostatic and Centrifugal Forces,"Journal of Aerosol Research, Japan 10, No. 1.12. Bentz, Dale, Hwang, J. T., Garboczi, E., Synder, K.,

Hagwood, C., Buenfeld, N. and Scrivener, K. (1994). "Interfacial Zone Percolation in Concrete: Effects of Interfacial Zone Thickness and Aggregate Shape,"Materials Science Society.11. Simiu, E. and

Hagwood, C.(1994). "Exists in Second Order Nonlinear Systems Driven by Dichotomous Noise,"Proceedings of the Second International Conference on Computational Stochastic Mechanics, Spanos, P. O. and Shinozaka, M.10. Galambos, J. and

Hagwood, C.(1994). "An unreliable Server Characterization on the Exponential Distribution,"Journal of Applied Probability31, 274-279.9. Pollack, M.,

Hagwood, C.and Croarkin, C. (1993). "Surveillance Schemes with Applications to Mass Calibration,"NISTIR5158.8. Galambos, J. and

Hagwood, C.(1992). "The Characterization of Distribution Function by the Second Moments of the Residual Life,"Commun. Statist.-Theory and Methods21, 1463-1468.

7. Hagwood, C.(1992). "The Calibration Problem as an Ill-Posed Inverse Problem,"Journal of Statistical Planning and Inference31, 179-185.

6. Hagwood, C.(1990). "A Mathematical Treatment of the Spherical Stereology,"NISTIR4370.5. Souders, M.

Hagwood, C.and Yang. G. (1990). "The Effects of Timing Jitter in Sampling Systems,"IEEE Transactions on Instrumentation and Measurements, 39, 80-85.

4. Hagwood, C.(1989). "A Renewal Theorem in Multidimensional Time,"Australian Journal of Statistics, 31, 130-137.3. Teicher, H. and

Hagwood, C.(1983). "A Multidimensional CLT for Maxima of Normed Sums,"Annals of Probability11, 1048-1050.

2. Hagwood, C.and Woodroofe, M. (1982). "On the expansion for Expected Sample Size in Nonlinear Renewal Theory,"Annals of Probability10, 844-848.

1. Hagwood, C.(1980). "A Nonlinear Renewal Theorem for Discrete Random Variables,"Statist.-Theory and MethodsA9, 1677-1698.Research

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