Resultats globals: 4 registres trobats en 0.03 segons.
Articles, 1 registres trobats
Documents de recerca, 3 registres trobats
Articles 1 registres trobats  
1.
50 p, 796.1 KB Amenability of coarse spaces and -algebras / Ara, Pere 1959- (Universitat Autònoma de Barcelona. Departament de Matemàtiques) ; Li, Kang (University of Münster. Department of Mathematics) ; Lledó, Fernando 1967- (Universidad Carlos III de Madrid. Departamento de Matemáticas) ; Wu, Jianchao (Penn State University. Department of Mathematics)
In this article we analyze the notions of amenability and paradoxical decomposition from an algebraic perspective. We consider this dichotomy for local ly finite extended metric spaces and for general algebras over fields. [...]
2018 - 10.1007/s13373-017-0109-6
Bulletin of Mathematical Sciences, Vol. 8, Issue 2 (August 2018) , p. 257-306  

Documents de recerca 3 registres trobats  
1.
17 p, 249.0 KB On spectral approximation, Folner sequences and crossed products / Lledó, Fernando, 1967- ; Centre de Recerca Matemàtica
In this article we review first some of the possibilities in which the notions of Fo lner sequences and quasidiagonality have been applied to spectral approximation problems. We construct then a canonical Fo lner sequence for the crossed product of a concrete C* -algebra and a discrete amenable group. [...]
Centre de Recerca Matemàtica 2011 (Prepublicacions del Centre de Recerca Matemàtica ; 1059)  
2.
15 p, 222.5 KB Operator algebras : an informal overview / Lledó, Fernando, 1967- ; Centre de Recerca Matemàtica
This article is an informal introduction to some classical results of the theory of operator algebras. It aims to illustrate the richness and diversity of possible applications of this topic.
Centre de Recerca Matemàtica 2011 (Prepublicacions del Centre de Recerca Matemàtica ; 1060)  
3.
21 p, 305.0 KB Folner sequences and finite operators / Yakubovich, Dmitry V. ; Lledó, Fernando, 1967- ; Centre de Recerca Matemàtica
This article analyzes Folner sequences of projections for bounded linear operators and their relationship to the class of finite operators introduced by Williams in the 70ies. We prove that each essentially hyponormal operator has a proper Folner sequence (i. [...]
Centre de Recerca Matemàtica 2012 (Prepublicacions del Centre de Recerca Matemàtica ; 1118)  

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3 Lledó, Fernando,
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