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dc.date.accessioned 2020-06-08T13:49:50Z
dc.date.available 2020-06-08T13:49:50Z
dc.date.issued 2013-07
dc.identifier.uri http://sedici.unlp.edu.ar/handle/10915/97685
dc.description.abstract Given a complex Krein space H with fundamental symmetry J, the aim of this note is to characterize the set of J-normal projections Q={Q∈L(H):Q2=QandQ#Q=QQ#}. The ranges of the projections in QQ are exactly those subspaces of HH which are pseudo-regular. For a fixed pseudo-regular subspace S , there are infinitely many J-normal projections onto it, unless SS is regular. Therefore, most of the material herein is devoted to parametrizing the set of J-normal projections onto a fixed pseudo-regular subspace S. en
dc.format.extent 357-380 es
dc.language en es
dc.subject Normal operator es
dc.subject Projection es
dc.subject Krein space es
dc.title Normal projections in Krein spaces en
dc.type Articulo es
sedici.identifier.uri https://ri.conicet.gov.ar/11336/12167 es
sedici.identifier.uri http://link.springer.com/article/10.1007/s00020-013-2063-3 es
sedici.identifier.other http://dx.doi.org/10.1007/s00020-013-2063-3 es
sedici.identifier.other hdl:11336/12167 es
sedici.identifier.issn 0378-620X es
sedici.creator.person Maestripieri, Alejandra Laura es
sedici.creator.person Martínez Pería, Francisco Dardo es
sedici.subject.materias Matemática es
sedici.description.fulltext true es
mods.originInfo.place Facultad de Ciencias Exactas es
mods.originInfo.place Consejo Nacional de Investigaciones Científicas y Técnicas es
sedici.subtype Preprint es
sedici.rights.license Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)
sedici.rights.uri http://creativecommons.org/licenses/by-nc-sa/4.0/
sedici.description.peerReview peer-review es
sedici.relation.journalTitle Integral Equations And Operator Theory es
sedici.relation.journalVolumeAndIssue vol. 76 es


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Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0) Excepto donde se diga explícitamente, este item se publica bajo la siguiente licencia Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)