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\(L^{\infty}\)-error estimates for mixed methods for semilinear second- order elliptic equations. (English) Zbl 0643.65057
The author derives \(L^{\infty}\)-error estimates of optimal order associated with the solution of a semilinear second-order elliptic problem by employing mixed methods using Raviart-Thomas elements.
Reviewer: M.A.Ibiejugba

MSC:
65N15 Error bounds for boundary value problems involving PDEs
65N30 Finite element, Rayleigh-Ritz and Galerkin methods for boundary value problems involving PDEs
35J65 Nonlinear boundary value problems for linear elliptic equations
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