Abstract
A new technique is proposed for constructing domain decomposition algorithms based on optimal control theory, the theory of inverse and ill-posed problems, application of adjoint equations, and modern iterative processes. The technique applies to a broad class of problems in mathematical physics (including ones with nonsymmetric operators, convection-dominant operators, etc.).
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ACKNOWLEDGMENTS
The numerical results presented in this paper were obtained by N.R. Lezina, to whom I am grateful for kindly placing these data in my disposal.
Funding
This work was supported by the Russian Foundation for Basic Research, project no. 19-01-00595.
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Translated by I. Ruzanova
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Agoshkov, V.I. New Technique for Formulation of Domain Decomposition Algorithms. Comput. Math. and Math. Phys. 60, 353–369 (2020). https://doi.org/10.1134/S0965542520030021
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DOI: https://doi.org/10.1134/S0965542520030021