Universidad Complutense de Madrid
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Generation of uniformly closed algebras of functions



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Garrido, M. Isabel y Montalvo, Francisco (2005) Generation of uniformly closed algebras of functions. Positivity, 9 (1). pp. 81-95. ISSN 1385-1292

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For a linear sublattice F of C( X), the set of all real continuous functions on the completely regular space X, we denote by A( F) the smallest uniformly closed and inverse-closed subalgebra of C( X) that contains F. In this paper we study different methods to generate A( F) from F. For that, we introduce some families of functions which are defined in terms of suprema or sums of certain countably many functions in F. And we prove that A( F) is the uniform closure of each of these families. We obtain, in particular, a generalization of a known result about the generation of A( F) when F is a uniformly closed linear sublattice of bounded functions.

Tipo de documento:Artículo
Palabras clave:Continuous functions, lattices, algebras, inverse-closed, uniformly closed, 2-finite covers
Materias:Ciencias > Matemáticas > Análisis funcional y teoría de operadores
Ciencias > Matemáticas > Topología
Código ID:15516
Depositado:07 Jun 2012 08:28
Última Modificación:27 May 2016 14:00

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