About the Author
ISMAEL HERRERA, PhD. in Applied Mathematics, Brown University, is Distinguished Professor in the Natural Resources Department of the Geophysics Institute at the Universidad Nacional Autonoma de Mexico. He is the Editor of Numerical Methods for Partial Differential Equations and President of the Mexican Society of Numerical Methods in Engineering and Applied Sciences. Dr. Herrera has received the National Science, Mexican Academy of Sciences, and Luis Elizondo Awards, the three most prestigious awards in Mexico granted for scientific achievement. GEORGE F. PINDER, PhD, has a primary appointment as Professor of Engineering with secondary appointments as Professor of Mathematics and Statistics and Professor of Computer Science at the University of Vermont. He is the author, or co-author, of nine books on mathematical modeling, numerical mathematics, and flow and transport through porous media. He is a recipient of numerous national and international honors and is a member of the National Academy of Engineering.