Robust multigrid solvers for the biharmonic problem in isogeometric analysis. - Jarle Sogn; Stefan Takacs (Comput. Math. Appl., 2019)

Robust Preconditioners for Multiple Saddle Point Problems and Applications to Optimal Control Problems. - Alexander Beigl; Jarle Sogn; Walter Zulehner (SIAM J. Matrix Anal. Appl., 2020)

Dual-Primal Isogeometric Tearing and Interconnecting methods for the Stokes problem. - Jarle Sogn; Stefan Takacs (CoRR, 2021)

Multigrid solvers for isogeometric discretizations of the second biharmonic problem. - Jarle Sogn; Stefan Takacs (CoRR, 2021)

Stable discretizations and IETI-DP solvers for the Stokes system in multi-patch Isogeometric Analysis. - Jarle Sogn; Stefan Takacs (CoRR, 2022)

Robust Preconditioning and Error Estimates for Optimal Control of the Convection-Diffusion-Reaction Equation with Limited Observation in Isogeometric Analysis. - Kent-André Mardal; Jarle Sogn; Stefan Takacs (SIAM J. Numer. Anal., 2022)

Isogeometric Tearing and Interconnecting Solvers for Linearized Elasticity in multi-patch Isogeometric Analysis. - Jarle Sogn; Stefan Takacs (CoRR, 2023)

Variational Formulations of the Strong Formulation - Forward and Inverse Modeling using Isogeometric Analysis and Physics-Informed Networks. - Kent-André Mardal; Jarle Sogn; Marius Zeinhofer (CoRR, 2023)

A robust and time-parallel preconditioner for parabolic reconstruction problems using Isogeometric Analysis. - Kent-André Mardal; Jarle Sogn; Stefan Takacs (CoRR, 2024)