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dc.contributor.author
Argerami, Martin
dc.contributor.author
Massey, Pedro Gustavo
dc.date.available
2017-07-04T17:55:33Z
dc.date.issued
2009-11
dc.identifier.citation
Argerami, Martin; Massey, Pedro Gustavo; On Kadison’s Carpenters theorem; American Mathematical Society; Proceedings of the American Mathematical Society; 137; 11; 11-2009; 3679-3687
dc.identifier.issn
0002-9939
dc.identifier.uri
http://hdl.handle.net/11336/19480
dc.description.abstract
Let M be a II1 factor with trace τ, A⊆M a masa and EA the unique conditional expectation onto A. Under some technical assumptions on the inclusion A⊆M, which hold true for any semiregular masa of a separable factor, we show that for elements a in certain dense families of the positive part of the unit ball of A, it is possible to find a projection p ∈ M such that EA(p) = a. This shows a new family of instances of a conjecture by Kadison, the so-called “carpenter’s theorem”.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
American Mathematical Society
dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Diagonals of Operators
dc.subject
Schur-Horn Theorem
dc.subject
Conditional Expectations
dc.subject.classification
Matemática Pura
dc.subject.classification
Matemáticas
dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
dc.title
On Kadison’s Carpenters theorem
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2017-07-03T16:50:30Z
dc.journal.volume
137
dc.journal.number
11
dc.journal.pagination
3679-3687
dc.journal.pais
Estados Unidos
dc.journal.ciudad
Nueva York
dc.conicet.avisoEditorial
First published in Proceedings of the American Mathematical Society; 137; 11; 11-2009; 3679-3687
dc.description.fil
Fil: Argerami, Martin. University of Regina; Canadá
dc.description.fil
Fil: Massey, Pedro Gustavo. Universidad Nacional de La Plata. Facultad de Ciencias Exactas. Departamento de Matematicas; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Saavedra 15. Instituto Argentino de Matemática Alberto Calderon; Argentina
dc.journal.title
Proceedings of the American Mathematical Society
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/http://www.ams.org/journals/proc/2009-137-11/S0002-9939-09-09999-7/
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1090/S0002-9939-09-09999-7


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