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JOURNALS // Zhurnal Vychislitel'noi Matematiki i Matematicheskoi Fiziki // Archive

Zh. Vychisl. Mat. Mat. Fiz., 2014 Volume 54, Number 11, Pages 1711–1723 (Mi zvmmf10107)

First-order regularization methods for accretive inclusions in a Banach space

I. P. Ryazantseva

Nizhni Novgorod State Technical University, ul. Minina 24, Nizhni Novgorod, 603600, Russia

Abstract: Equations with set-valued accretive operators in a Banach space are considered. Their solutions are understood in the sense of inclusions. By applying the resolvent of the set-valued part of the equation operator, these equations are reduced to ones with single-valued operators. For the constructed problems, a regularized continuous method and a regularized first-order implicit iterative process are proposed. Sufficient conditions for their strong convergence are obtained in the case of approximately specified data.

Key words: accretive operator, $m$-accretive operator, inversely strongly pseudoaccretive operator, resolvent, regularization, continuous method, iterative method, convergence.

UDC: 519.642.8

Received: 10.11.2013
Revised: 28.04.2014

DOI: 10.7868/S0044466914110118


 English version:
Computational Mathematics and Mathematical Physics, 2014, 54:11, 1647–1658

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© Steklov Math. Inst. of RAS, 2024