Thumbnail

Quasi-optimality of approximate solutions in normed vector spaces

Andreev, Roman (2016), Quasi-optimality of approximate solutions in normed vector spaces. https://basepub.dauphine.fr/handle/123456789/17412

View/Open
Type
Document de travail / Working paper
Date
2016
Series title
cahier de recherche CEREMADE- Paris-Dauphine
Pages
1
Metadata
Show full item record
Author(s)
Andreev, Roman
Laboratoire Jacques-Louis Lions [LJLL]
CEntre de REcherches en MAthématiques de la DEcision [CEREMADE]
Abstract (EN)
We discuss quasi-optimality of approximate solutions to operator equations in normed vector spaces, defined either by Petrov--Galerkin projection or by residual minimization. Examples demonstrate the sharpness of the estimates.
Subjects / Keywords
finite elements; Petrov--Galerkin; quasi-optimality; operator equations