2 papers
math.NA2019
An Auxiliary Space Preconditioner for Fractional Laplacian of Negative Order
Trygve Bærland
Coupled multiphysics problems often give rise to interface conditions naturally formulated in fractional Sobolev spaces. Here, both positive and negative fractionality are common.…
math.NA2018
An Observation On The Uniform Preconditioners For The Mixed Darcy Problem
Trygve Bærland, Miroslav Kuchta, Kent-Andre Mardal +1
When solving a multi-physics problem one often decomposes a monolithic system into simpler, frequently single-physics, subproblems. A comprehensive solution strategy may commonly b…