Nielsen, Bjørn Fredrik

1. Robust preconditioners for PDE-constrained optimization with limited\n observations
   2015/06/22 by Kent‐André Mardal, Mardal, Kent-André, Bjørn Fredrik Nielsen +3 · 4 citations
   Computer Science · Engineering · Mathematics · #65F08 #65K10 #65N21 #Advanced Mathematical Modeling in Engineering #Advanced Numerical Methods in Computational Mathematics #Analysis of PDEs (math.AP) #FOS: Mathematics #Numerical methods in inverse problems #Optimization and Control (math.OC)
2. Laplacian preconditioning of elliptic PDEs: Localization of the eigenvalues of the discretized operator
   2018/09/11 by Gergelits, Tomáš, Mardal, Kent-André, Nielsen, Bjørn Fredrik +1 · 2 citations
   #35J99 #65F08 #65F15 #65N12 #FOS: Mathematics #Numerical Analysis (math.NA)
3. A regularization operator for source identification for elliptic PDEs
   2020/05/19 by Elvetun, Ole Løseth, Nielsen, Bjørn Fredrik · 3 citations
   #FOS: Mathematics #Optimization and Control (math.OC)