## Optimal $$L^\infty$$ estimates for the finite element method on irregular meshes.(English)Zbl 0349.65060

### MSC:

 65N30 Finite element, Rayleigh-Ritz and Galerkin methods for boundary value problems involving PDEs 65N15 Error bounds for boundary value problems involving PDEs 41A25 Rate of convergence, degree of approximation 41A15 Spline approximation
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