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Iterative algorithms with seminorm-induced oblique projections
Linköpings universitet, Tekniska högskolan. Linköpings universitet, Matematiska institutionen, Beräkningsvetenskap.
2003 (engelsk)Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

A definition of oblique projections onto closed convex sets that use seminorms induced by diagonal matrices which may have zeros on the diagonal is introduced. Existence and uniqueness of such projections are secured via directional affinity of the sets with respect to the diagonal matrices involved. A block-iterative algorithmic scheme for solving the convex feasibility problem, employing seminorm-induced oblique projections, is constructed and its convergence for the consistent case is established. The fully simultaneous algorithm converges also in the inconsistent case to the minimum of a certain proximity function.

sted, utgiver, år, opplag, sider
2003. Vol. 2003, nr 7, s. 387-406
HSV kategori
Identifikatorer
URN: urn:nbn:se:liu:diva-22284DOI: 10.1155/S108533750321201XLokal ID: 1464OAI: oai:DiVA.org:liu-22284DiVA, id: diva2:242597
Tilgjengelig fra: 2009-10-07 Laget: 2009-10-07 Sist oppdatert: 2011-01-13

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