Numerical Analysis of PDEs:Wavelet and multiscale techniques for the numerical solution of elliptic partial differential equations, in particular: treatment of boundary conditions and boundaries, fictitious domain methods, preconditioning, least squares methods, adaptive methods.
Numerical Analysis of Control Problems: above approaches for the numerical solution of control problems with PDE constraints.
Approximation Theory:Construction of biorthogonal wavelets and multiwavelets on bounded domains; Approximation of Digital Terrain Elevation Data; Optimal encoding; Approximation by ridge functions.
Computer Aided Geometric Design, Statistics:Curve and surface fitting of nonuniformly distributed data and data with outliers by adaptive wavelets with smoothing
Numerical Analysis of Inverse Problems: Mathematical modelling and numerical simulations for the lithographic generation of nanostructures
Numerical Analysis of Problems in Computational Finance: Option pricing computations by multiscale methods
Numerical Analysis of Problems in Micromagnetics:Simulation of thin-film ferromagnetic elements