Fotografi av Johan Thim

Johan Thim

Universitetslektor

Publikationer

2026

Jean Pierre Ngendahayo, Minani Froduald, Johan Thim, Fredrik Berntsson (2026) Solving an inverse heat conduction problem with phase transitions using Tikhonov regularization RESEARCH IN MATHEMATICS, Vol. 13, Artikel 2670816 (Artikel i tidskrift) https://dx.doi.org/10.1080/27684830.2026.2670816

2025

J. P. Ngendahayo, F. Minani, Johan Thim, Fredrik Berntsson (2025) Convergence Analysis of Iterative Tikhonov Regularization Applied to an Inverse Heat Conduction Problem International Journal of Applied and Computational Mathematics, Vol. 11, Artikel 149 (Artikel i tidskrift) https://dx.doi.org/10.1007/s40819-025-01972-0

2020

Vladimir Kozlov, Johan Thim (2020) Hadamard asymptotics for eigenvalues of the Dirichlet Laplacian Journal des Mathématiques Pures et Appliquées, Vol. 140, s. 67-88 (Artikel i tidskrift) https://dx.doi.org/10.1016/j.matpur.2020.06.002

2017

Fredrik Berntsson, Anna Orlof, Johan Thim (2017) Error Estimation for Eigenvalues of Unbounded Linear Operators and an Application to Energy Levels in Graphene Quantum Dots Numerical Functional Analysis and Optimization, Vol. 38, s. 293-305 (Artikel i tidskrift) https://dx.doi.org/10.1080/01630563.2017.1279176

2016

Vladimir Kozlov, Johan Thim (2016) Hadamard type asymptotics for eigenvalues of the Neumann problem for elliptic operators Journal of Spectral Theory, Vol. 6, s. 99-135 (Artikel i tidskrift) https://dx.doi.org/10.4171/JST/120

Organisation