Director, Institute for Mathematics and its Applications. Numerical analysis, partial differential equations, mechanics; the numerical solution of the equations of general relativity. Publications, talks, teaching material, other resources.
Retired mathematician with a PhD in mathematics from Carnegie-Mellon University. Page contains tutorials on numerical linear algebra, harmonic analysis, digital encoding, symmetry reductions, and modeling of sonar transducers and arrays.
Johann Radon Institute for Computational and Applied Mathematics (RICAM), Austrian Academy of Sciences (ÖAW) . Symmetry analysis of partial differential equations; parameter identification problems; nonlinear partial differential equations; symbolic manipulation programs for symmetry analysis; variational symmetry groups and conservation laws.
Norwegian University of Science and Technology. Krylov subspace and preconditioning methods for the numerical solution of large linear systems arising from the discretization of PDEs; waveform relaxation methods.
University of Oxford. Development and analysis of numerical methods for partial differential equations, particularly in computational fluid dynamics; parallel and distributed computing.
Finite Element Methods, numerical methods for wave problems, numerical methods in nonlinear solid mechanics, problems in infinite domains, combination of numerical and analytical methods, analysis of space structures.