The authors derive and numerically verify parameter-robust preconditioners for statically condensed HDG systems applied to the time-dependent Stokes equations.
Equivalence of local- and global- best approximations, a simple stable local commuting projector, and optimalhpapproximation esti- mates inH(div).IMA J
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Robust preconditioning for an HDG discretization of the time-dependent Stokes equations
The authors derive and numerically verify parameter-robust preconditioners for statically condensed HDG systems applied to the time-dependent Stokes equations.