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Negative norm estimates and superconvergence in Galerkin methods for parabolic problems. (English) Zbl 0454.65077


MSC:

65N30 Finite element, Rayleigh-Ritz and Galerkin methods for boundary value problems involving PDEs
65N15 Error bounds for boundary value problems involving PDEs
35K15 Initial value problems for second-order parabolic equations
35K20 Initial-boundary value problems for second-order parabolic equations
Full Text: DOI