M.S. Computer Science, University of Windsor, Windsor,
Ontario, Canada
Thesis title: Authorization-enhanced Security Framework for Open Grid
Services Architecture (OGSA) Support
M.S. Applied mathematics, Michigan Technological
University, Houghton, Michigan
Thesis title: A Numerical Study of Image Reconstruction using Conjugate
Gradient Method.
B.S. Computational mathematics and applied software,
Inner Mongolia University, China
Publications
Cheng, H., Jardak, M., Alexe, M., and Sandu, A. A
Hybrid Approach to Estimating Error Covariances in Variational Data
Assimilation. Submitted to Tellus A, 2009.
Sandu, A., Cheng, H., and Jardak, M., On Subtle
Similarities Between 4D-Var and EnKF and New Opportunities for
Hybridization. Submitted to Tellus A, 2009.
Cheng, H and Bertram, B. On the stopping criteria for
conjugate gradient solutions of first-kind integral equations in two
variables. Integral Methods in Science and Engineering, Boston, 2002.
Bertram, B and Cheng, H. On the use of the conjugate
gradient method for the numerical solution of first-kind integral
equations in two variables. Integral Methods in Science and Engineering,
Boston, 2002.