Analysis of the diffuse domain method for second order elliptic boundary value problems M Burger, OL Elvetun, M Schlottbom Foundations of Computational Mathematics 17, 627-674, 2017 | 25 | 2017 |
The split Bregman algorithm applied to PDE-constrained optimization problems with total variation regularization OL Elvetun, BF Nielsen Computational Optimization and Applications 64, 699-724, 2016 | 19 | 2016 |
A regularization operator for source identification for elliptic PDEs OL Elvetun, BF Nielsen Inverse Problems and Imaging 15 (4), 599-618, 2021 | 10 | 2021 |
Diffuse interface methods for inverse problems: case study for an elliptic Cauchy problem M Burger, OL Elvetun, M Schlottbom Inverse Problems 31 (12), 125002, 2015 | 6 | 2015 |
Weighted sparsity regularization for source identification for elliptic PDEs OL Elvetun, BF Nielsen Journal of Inverse and Ill-posed Problems 31 (5), 687-709, 2023 | 5 | 2023 |
Modified Tikhonov regularization for identifying several sources OL Elvetun, BF Nielsen INTERNATIONAL JOURNAL OF NUMERICAL ANALYSIS AND MODELING 18 (6), 740-757, 2021 | 4 | 2021 |
PDE-constrained optimization with local control and boundary observations: Robust preconditioners OL Elvetun, BF Nielsen SIAM Journal on Scientific Computing 38 (6), A3461-A3491, 2016 | 4 | 2016 |
Identifying the source term in the potential equation with weighted sparsity regularization O Elvetun, B Nielsen Mathematics of Computation, 2024 | 2 | 2024 |
Optimal pricing of production changes in cascaded river systems with limited storage HO Riddervold, HI Skjelbred, J Kong, OL Elvetun, M Korpås The International Workshop on Hydro Scheduling in Competitive Markets, 52-61, 2018 | 2 | 2018 |
Fictitious null spaces for improving the solution of injective inverse problems OL Elvetun, K Knudsen, BF Nielsen Inverse Problems 41 (1), 015007, 2024 | | 2024 |
Box constraints and weighted sparsity regularization for identifying sources in elliptic PDEs OL Elvetun, BF Nielsen Numerical Functional Analysis and Optimization 45 (16), 779-812, 2024 | | 2024 |
Optimal Pricing of Production Changes in Cascaded River Systems with Limited Storage OL Elvetun, M Korpås Proceedings of the 6th International Workshop on Hydro Scheduling in …, 2018 | | 2018 |
PDE-constrained optimization: preconditioners and diffuse domain methods OL Elvetun Norwegian University of Life Sciences, Ås, 2018 | | 2018 |
Preconditioners for PDE-constrained optimization problems with box constraints: Towards high resolution inverse ECG images OL Elvetun, BF Nielsen INTERNATIONAL JOURNAL OF NUMERICAL ANALYSIS AND MODELING 14 (6), 935-962, 2017 | | 2017 |
On wave-free bottom oscillations at uniform water depth PA Tyvand, OL Elvetun European Journal of Mechanics-B/Fluids 37, 165-173, 2013 | | 2013 |
The inverse problem of electrocardiography: increasing the stability by using a simplified geometry for the ischemic region OL Elvetun Norwegian University of Life Sciences, Ås, 2012 | | 2012 |