An optimal iterative solver for symmetric indefinite systems stemming from mixed approximation. (English) Zbl 1365.65085
MSC:
| 65F10 | Iterative numerical methods for linear systems |
| 65N15 | Error bounds for boundary value problems involving PDEs |
| 65N22 | Numerical solution of discretized equations for boundary value problems involving PDEs |
| 65Y15 | Packaged methods for numerical algorithms |
| 76M10 | Finite element methods applied to problems in fluid mechanics |
