Block triangular preconditioners for PDE constrained optimization

In this paper we investigate the possibility of using a block triangular preconditioner for saddle point problems arising in PDE constrained optimization. In particular we focus on a conjugate gradient-type method introduced by Bramble and Pasciak which uses self adjointness of the preconditioned sy...

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Autors principals: Stoll, M, Rees, T
Format: Journal article
Publicat: 2009