Wavelet and Fourier Methods for Solving the Sideways Heat Equation. - Lars Eldén; Fredrik Berntsson; Teresa Reginska (SIAM J. Sci. Comput., 2000)

Coefficient identification in PDEs applied to image inpainting. - Fredrik Berntsson; George Baravdish (Appl. Math. Comput., 2014)

An accelerated alternating procedure for the Cauchy problem for the Helmholtz equation. - Fredrik Berntsson; Vladimir A. Kozlov; Lydie Mpinganzima; Bengt-Ove Turesson (Comput. Math. Appl., 2014)

A one-dimensional model of viscous blood flow in an elastic vessel. - Fredrik Berntsson; Matts Karlsson; Vladimir A. Kozlov; Sergey A. Nazarov (Appl. Math. Comput., 2016)

Iterative Tikhonov regularization for the Cauchy problem for the Helmholtz equation. - Fredrik Berntsson; Vladimir A. Kozlov; Lydie Mpinganzima; Bengt-Ove Turesson (Comput. Math. Appl., 2017)

An efficient regularization method for a large scale ill-posed geothermal problem. - Fredrik Berntsson; Chen Lin; Tao Xu; Dennis Wokiyi (Comput. Geosci., 2017)

Weather derivatives pricing using regime switching model. - Emmanuel Evarest; Fredrik Berntsson; Martin Singull; Xiangfeng Yang (Monte Carlo Methods Appl., 2018)

Solvability of a non-linear Cauchy problem for an elliptic equation. - Fredrik Berntsson; Vladimir A. Kozlov; Dennis Wokiyi (Int. J. Comput. Math., 2019)

Robin-Dirichlet alternating iterative procedure for solving the Cauchy problem for Helmholtz equation in an unbounded domain. - Pauline Achieng; Fredrik Berntsson; Vladimir A. Kozlov (CoRR, 2022)

Solving the Cauchy problem for the Helmholtz equation using cubic smoothing splines. - Mary Nanfuka; Fredrik Berntsson; John Mango (J. Appl. Math. Comput., 2022)

Reconstruction of the Radiation Condition and Solution for the Helmholtz Equation in a Semi-infinite Strip from Cauchy Data on an Interior Segment. - Pauline Achieng; Fredrik Berntsson; Vladimir A. Kozlov (Comput. Methods Appl. Math., 2024)