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math.NA2020
HMG -- Homogeneous multigrid for HDG
Peipei Lu, Andreas Rupp, Guido Kanschat
We introduce a homogeneous multigrid method in the sense that it uses the same HDG discretization scheme for Poisson's equation on all levels. In particular, we construct a stable…
math.NA2020
A subcell-enriched Galerkin method for advection problems
Andreas Rupp, Moritz Hauck, Vadym Aizinger
In this work, we introduce a generalization of the enriched Galerkin (EG) method. The key feature of our scheme is an adaptive two-mesh approach that, in addition to the standard e…