Ganesh

Ganesh, Mahadevan                 

Professor

Office    : Room 222, Chauvenet Hall
Phone   : 303-273-3927
Fax       : 303-273-3875                                                             
Mail     :   Department of Mathematical and Computer Sciences
                  Colorado School of Mines
                   Golden, Colorado 80401-1887                                           
Email   : mganesh at mines dot edu



Research Interests   (Via Visualization)

    Fast, high-order  algorithms for acoustic and electromagnetic scattering in 3-D.

    Efficient computational algorithms  for inverse scattering in 3-D.
 
    Free surface evolutionary systems in  nonlinear water waves and tumor growth.

    Spectral methods for the Navier­Stokes equation  on the rotating earth.;

    Constructive approximations on spherical surfaces.

     Quadrature finite element methods for elliptic, parabolic and hyperbolic problems.

     Fully discrete spectral boundary integral and boundary element methods.

     Boundary element preconditioners for 3-D slender domain problems.

     Parallel evolutionary computations  and analysis.

    Radial basis functions based numerical schemes for PDEs.


Teaching              

        BELS 433/ MACS433 Mathematical Biology.
        MACS 332 Linear Algebra.
        MACS 407 Introduction to Scientific Computing.
         MACS 550 Numerical Methods for Partial Differential Equations.


Some Recent Journal Publications  (2004-2008)     
       Fully discrete spectral methods for boundary integral equations on slender spheroids.   
               J. Comp.  Appl.  Math., 164-165  (2004), 307-322.   

      A Petrov Galerkin method with quadrature scheme for elliptic boundary value problems.
              (
With B. Bialecki and K. Mustapha.)  IMA J. Numer. Anal. 24 (2004), 157-177.
 

     A  high-order  algorithm for obstacle scattering in three dimensions.
            (
With I. Graham.
J. Comp. Phys., 198  (2004), 211-242.
 
     A diffusion-modfified quadrature FEM for nonlinear reaction-diffusion equations.
            (
With K. Mustapha.)   Aust. & NZ Indus. Appl. Math. (ANZIAM) J.,  45 (2004), 486-503.

    A Crank-Nicolson and ADI Galerkin method with quadrature for hyperbolic problems.
            (With K. Mustapha.  Numer. Meth. PDEs, 21 (2005), 57-79.

     Discrete Petrov-Galerkin scheme for boundary value differential and integral problems:
        theory and applications, 
(With R. Grigorieff and K. Mustapha.Math. Comp. Model.,  40 (2005), 1323-1334.

     A Crank-Nicolson Petrov-Galerkin method with quadrature for semi-linar parabolic problems.
       
(With B. Bialecki and K. Mustapha.Numer. Meth. PDEs.,  21 (2005), 918-937.

     Matrix-free interpolation on the sphere.
       
(With H. N. Mhaskar .SIAM J. Numer. Anal.,  44 (2006), 1314-1331.

     A Petrov-Galerkin method with quadrature for semi-linear second-order hyperbolic problems.
       
(With B. Bialecki and K. Mustapha.Numer. Meth. PDEs.,  22 (2006), 1052-1069.

     Improved high-order algorithms for dielectric Mie scattering.
       
(With S. C. Hawkins .WSEAS Trans. Math.,  5 (2006), 663-670.

     Quadrature-free quasi-interpolation on the sphere.
       
(With H. N. Mhaskar .Elec. Trans. Numer. Anal.,  25 (2006), 101-114.

     A Spectrally accurate algorithm for electromagnetic scattering in three Dimensions.
       
(With S. C. Hawkins .Numer. Algorithms,  43 (2006), 25-60.

     A fully discrete H^1-Galerkin method with quadrature for nonlinear advection-diffusion-reaction equations.
       
(With K. Mustapha.Numer. Algorithms,  43 (2006), 355-383.

     An efficient surface integral method for the time-harmonic Maxwell equations.
       
(With S. C. Hawkins .Aust. & NZ Indus. Appl. Math. (ANZIAM) J.,  48 (2007),17-33.

     Efficient evaluation of highly oscillatory acoustic scattering surface integrals.
       
(With S. Langdon and I. H. Sloan .J. Comp. Appl. Math.,  204 (2007),363-374.

     Sparse preconditioners for dense complex linear systems arising in some radar cross section computations.
       
(With S. C. Hawkins .Aust. & NZ Indus. Appl. Math. (ANZIAM) J.,  48 (2007),233-248.

     A hybrid high-order algorithm for radar cross section computations.
       
(With S. C. Hawkins .SIAM J. Sci. Comp. ,  29 (2007), 1217-1243.

     Sparse approximate inverse preconditioners for electrromagnetic surface scattering simulations.
       
(With S. C. Hawkins .Aust. & NZ Indus. Appl. Math. (ANZIAM) J.,  49 (2007),155-169.

     A high-order tangential basis algorithm for electromagnetic scattering by curved surfaces.
       
(With S. C. Hawkins .J. Comp. Phys. ,  227 (2008), 4543-4562.