An optimal order yielding discrepancy principle for simplified regularization of ill-posed problems in Hilbert scales.
George, Santhosh, Nair, M. Thamban (2003)
International Journal of Mathematics and Mathematical Sciences
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George, Santhosh, Nair, M. Thamban (2003)
International Journal of Mathematics and Mathematical Sciences
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Fu, Chu-Li, Li, Hong-Fang, Xiong, Xiang-Tuan, Fu, Peng (2005)
International Journal of Mathematics and Mathematical Sciences
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Zbigniew Leyk (1990)
Numerische Mathematik
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E.F. D'Azevedo, R.B. Simpson (1991)
Numerische Mathematik
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Zakaria Belhachmi, Christine Bernardi, Andreas Karageorghis (2007)
ESAIM: Mathematical Modelling and Numerical Analysis
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This paper deals with the mortar spectral element discretization of two equivalent problems, the Laplace equation and the Darcy system, in a domain which corresponds to a nonhomogeneous anisotropic medium. The numerical analysis of the discretization leads to optimal error estimates and the numerical experiments that we present enable us to verify its efficiency.
Ludwig Kohaupt (1986/87)
Numerische Mathematik
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Luca Dede', Alfio Quarteroni (2005)
ESAIM: Mathematical Modelling and Numerical Analysis - Modélisation Mathématique et Analyse Numérique
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We propose a general approach for the numerical approximation of optimal control problems governed by a linear advection–diffusion equation, based on a stabilization method applied to the lagrangian functional, rather than stabilizing the state and adjoint equations separately. This approach yields a coherently stabilized control problem. Besides, it allows a straightforward a posteriori error estimate in which estimates of higher order terms are needless. Our a posteriori estimates...
Ludwig Kohaupt (1987/88)
Numerische Mathematik
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