Approximation of singularly perturbed reaction-diffusion problems by quadratic C1-splines. - Torsten Linß; Goran Radojev; Helena Zarin (Numer. Algorithms, 2012)

Superconvergence analysis of FEM and SDFEM on graded meshes for a problem with characteristic layers. - Mirjana Brdar; Goran Radojev; Hans-Görg Roos; Ljiljana Teofanov (Comput. Math. Appl., 2021)

Maximum-norm a posteriori error bounds for an extrapolated Euler/finite element discretisation of parabolic equations. - Torsten Linß; Goran Radojev (CoRR, 2022)

A review of maximum-norm a posteriori error bounds for time-semidiscretisations of parabolic equations. - Torsten Linß; Natalia Kopteva; Goran Radojev; Martin Ossadnik (CoRR, 2022)

A unified approach to maximum-norm a posteriori error estimation for second-order time discretisations of parabolic equations. - Torsten Linß; Martin Ossadnik; Goran Radojev (CoRR, 2023)

Maximum-norm a posteriori error bounds for an extrapolated upwind scheme applied to a singularly perturbed convection-diffusion problem. - Torsten Linß; Goran Radojev (CoRR, 2023)

Maximum-norm a posteriori error bounds for parabolic equations discretised by the extrapolated Euler method in time and FEM in space. - Torsten Linß; Goran Radojev (CoRR, 2024)

A modification of Durán-type mesh for singularly perturbed problems. - Goran Radojev; Mirjana Brdar; Ljiljana Teofanov (Appl. Math. Comput., 2025)