A SUPERCONVERGENT <i>L</i>^∞-ERROR ESTIMATE OF RT1 MIXED METHODS FOR ELLIPTIC CONTROL PROBLEMS WITH AN INTEGRAL CONSTRAINT

DOI10.11948/2017065zbMath1474.49013OpenAlexW2619536855MaRDI QIDQ5149621

Yuelong Tang, Yuchun Hua

Publication date: 11 February 2021

Published in: Journal of Applied Analysis & Computation (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.11948/2017065

zbMATH Keywords

mixed finite element methodssuperconvergenceelliptic equationspostprocessingoptimal control problems

Mathematics Subject Classification ID

Finite element, Rayleigh-Ritz and Galerkin methods for boundary value problems involving PDEs (65N30) Existence theories for optimal control problems involving partial differential equations (49J20)

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