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dc.contributor.author
Corach, Gustavo  
dc.contributor.author
Fongi, Guillermina  
dc.contributor.author
Maestripieri, Alejandra Laura  
dc.date.available
2016-01-06T14:15:52Z  
dc.date.issued
2013-08  
dc.identifier.citation
Corach, Gustavo; Fongi, Guillermina; Maestripieri, Alejandra Laura; Weighted projections into closed subspaces; Polish Acad Sciences Inst Mathematics; Studia Mathematica; 216; 8-2013; 131-148  
dc.identifier.issn
0039-3223  
dc.identifier.uri
http://hdl.handle.net/11336/3364  
dc.description.abstract
We study A-projections, i.e. operators on a Hilbert space H which act as projections when a seminorm is considered in H. The A-projections were introduced by Mitra and Rao (1974) for finite-dimensional spaces. We relate this concept to the theory of compatibility between positive operators and closed subspaces of H. We also study the relationship between weighted least squares problems and compatibility.  
dc.format
application/pdf  
dc.language.iso
eng  
dc.publisher
Polish Acad Sciences Inst Mathematics  
dc.rights
info:eu-repo/semantics/openAccess  
dc.rights
Atribución-NoComercial-CompartirIgual 2.5 Argentina (CC BY-NC-SA 2.5 AR)  
dc.rights.uri
https://creativecommons.org/licenses/by-nc-nd/2.5/ar/  
dc.subject
Proyeccion  
dc.subject
Compatiblidad  
dc.subject
Seminorma  
dc.subject.classification
Matemática Pura  
dc.subject.classification
Matemáticas  
dc.subject.classification
CIENCIAS NATURALES Y EXACTAS  
dc.title
Weighted projections into closed subspaces  
dc.type
info:eu-repo/semantics/article  
dc.type
info:ar-repo/semantics/artículo  
dc.type
info:eu-repo/semantics/publishedVersion  
dc.date.updated
2016-03-30 10:35:44.97925-03  
dc.journal.volume
216  
dc.journal.pagination
131-148  
dc.journal.pais
Polonia  
dc.journal.ciudad
VARSOVIA  
dc.description.fil
Fil: Corach, Gustavo. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Saavedra 15. Instituto Argentino de Matemática; Argentina  
dc.description.fil
Fil: Fongi, Guillermina. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Saavedra 15. Instituto Argentino de Matemática; Argentina  
dc.description.fil
Fil: Maestripieri, Alejandra Laura. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Saavedra 15. Instituto Argentino de Matemática; Argentina  
dc.journal.title
Studia Mathematica  
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/10.4064/sm216-2-3  
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/http://arxiv.org/abs/1305.6357  
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http:/dx.doi.org/10.4064/sm216-2-3