Ben Belgacem, Faker The mortar finite element method with Lagrange multipliers. (English) Zbl 0944.65114 Numer. Math. 84, No. 2, 173-197 (1999). Error estimates of the mortar finite element method under a hybrid formulation for two-dimensional second-order elliptic equations are proved. Reviewer: Isaac Yevzerov (Kyïv) Cited in 168 Documents MSC: 65N15 Error bounds for boundary value problems involving PDEs 65N30 Finite element, Rayleigh-Ritz and Galerkin methods for boundary value problems involving PDEs 65N55 Multigrid methods; domain decomposition for boundary value problems involving PDEs 35J05 Laplace operator, Helmholtz equation (reduced wave equation), Poisson equation Keywords:hybrid method; error estimates; mortar finite element method; second-order elliptic equations PDF BibTeX XML Cite \textit{F. Ben Belgacem}, Numer. Math. 84, No. 2, 173--197 (1999; Zbl 0944.65114) Full Text: DOI