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\(L_infty\)-convergence of the Ritz-method with linear finite elements for second order elliptic boundary value problems. (English) Zbl 0424.35033

Complex analysis and its applications, Collect. Artic., Steklov Math. Inst., Moscow 1978, 430-437 (1978).

MSC:

35J25 Boundary value problems for second-order elliptic equations
65N15 Error bounds for boundary value problems involving PDEs
65N30 Finite element, Rayleigh-Ritz and Galerkin methods for boundary value problems involving PDEs
35B45 A priori estimates in context of PDEs
46E35 Sobolev spaces and other spaces of “smooth” functions, embedding theorems, trace theorems

Citations:

Zbl 0413.00013