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Attributs	Valeurs
type	work Article
Is Part Of	A tribute to JL Lions
Subject	iterative algorithms. Optimization and variational techniques control equation optimality system quasilinear evolution problem Variational data assimilation solvability
Title	Solvability and numerical algorithms for a class of variational data assimilation problems
Date	2002-01-01(xsd:dateTime)
has manifestation of work	http://hub.abes.fr/edp/periodical/cocv/2002/volume_8/issue_2002/Marchuk/m/web http://hub.abes.fr/edp/periodical/cocv/2002/volume_8/issue_2002/Marchuk/m/print
related by	http://hub.abes.fr/edp/periodical/cocv/2002/volume_8/issue_2002/Marchuk/authorship/1 http://hub.abes.fr/edp/periodical/cocv/2002/volume_8/issue_2002/Marchuk/authorship/2
Author	Shutyaev, Victor Marchuk, Guri
Abstract	A class of variational data assimilation problems on reconstructing the initial-value functions is considered for the models governed by quasilinear evolution equations. The optimality system is reduced to the equation for the control function. The properties of the control equation are studied and the solvability theorems are proved for linear and quasilinear data assimilation problems. The iterative algorithms for solving the problem are formulated and justified.
article type	research-article
publisher identifier	Marchuk
Date Copyrighted	2002-01-01(xsd:dateTime)
Rights	© EDP Sciences, SMAI, 2002
Rights Holder	EDP Sciences, SMAI
is part of this journal	ESAIM: Control, Optimisation and Calculus of Variations
is primary topic of	http://hub.abes.fr/edp/periodical/cocv/2002/volume_8/issue_2002/Marchuk/w/record

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