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, 1984-1985

Research

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 Science* 27, 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 NRML* 45, 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 E* 52, 4669-4675.

14. Coakley, K., **Hagwood, C.**, Negiz, A. and Ehara, K. (1995). "Stochastic Modeling of a New Spectrometer," *Journal of Aerosol Science and Technology* 23, 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 Probability* 31, 274-279.

9. Pollack, M., **Hagwood, C.** and Croarkin, C. (1993). "Surveillance Schemes with Applications to Mass Calibration,"*NISTIR*5158.

8. Galambos, J. and **Hagwood, C.** (1992). "The Characterization of Distribution Function by the Second Moments of the Residual Life," *Commun. Statist.-Theory and Methods* 21, 1463-1468.

**7. Hagwood, C.** (1992). "The Calibration Problem as an Ill-Posed Inverse Problem," *Journal of Statistical Planning and Inference* 31, 179-185.

**6. Hagwood, C.** (1990). "A Mathematical Treatment of the Spherical Stereology," *NISTIR* 4370.

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 Probability* 11, 1048-1050.

**2. Hagwood, C.** and Woodroofe, M. (1982). "On the expansion for Expected Sample Size in Nonlinear Renewal Theory," *Annals of Probability* 10, 844-848.

**1. Hagwood, C.** (1980). "A Nonlinear Renewal Theorem for Discrete Random Variables," *Statist.-Theory and Methods* A9, 1677-1698.Research