Ivan Hlavacek, Michal Krizek, Vladislav Pistora:
How to recover the gradient of linear elements
on nonuniform triangulations
Hans-Gorg Roos, Martin Stynes:
Necessary conditions for uniform convergence of finite difference schemes for convection-diffusion problems with exponential and parabolic layers
Ivan Hlavacek, Jan Chleboun:
A recovered gradient method applied to smooth optimal shape problems
Jan Lovisek:
Singular perturbations in optimal control problem with application to nonlinear structural analysis