Inexact and truncated parareal-in-time Krylov subspace methods for parabolic optimal control problems

Christian E. Schaerer, Daniel B. Szyld, Xiuhong Du, Markus V. Sarkis

Publication date: 14 May 2014

Published in: ETNA. Electronic Transactions on Numerical Analysis (Search for Journal in Brave)

Full work available at URL: http://www.emis.de/journals/ETNA/volumes/2011-2020/vol40/abstract_vol40_pp36-57.html

zbMATH Keywords

reduced system numerical experiments saddle point problem full orthogonalization method parabolic optimal control spectral bounds conjugate gradient (CG) method inexact Krylov subspace methods parareal approximation truncated Krylov subspace methods

Mathematics Subject Classification ID

Numerical optimization and variational techniques (65K10) Iterative numerical methods for linear systems (65F10) Existence theories for optimal control problems involving partial differential equations (49J20)

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