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Recolector de Ciencia Abierta, RECOLECTA
Doctoral thesis . 2015
License: CC BY NC ND
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Recolector de Ciencia Abierta, RECOLECTA
Doctoral thesis . 2016
License: CC BY NC ND
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Sobre la convergencia, casi convergencia y A-sumabilidad de operadores conservativos

Authors: Aguilera-López, Francisco;

Sobre la convergencia, casi convergencia y A-sumabilidad de operadores conservativos

Abstract

[ES] Esta tesis doctoral trata sobre la aproximación de funciones mediante sucesiones de operadores lineales. La convergencia usual es reemplazada por la casi convergencia y por la sumabilidad matricial. Más allá de la positividad de los operadores involucrados en la aproximación, se consideran propiedades de conservación de la forma más generales. Se obtienen resultados cuantitativos, sobre fórmulas asintóticas y sobre saturación. Finalmente, se plantea un estudio paralelo bajo un marco más general representado por la sumabilidad estadística.

[EN] This doctoral dissertation deals with the approximation of functions by sequences of linear operators. The usual convergence is replaced by almost convergence and matrix summability. Beyond the positivity of the operators involved in the approximation processes , more general shape preserving approximation properties are considered. Quantitative results, as well as results on asymptotic formulae and saturation are obtained. Finally, a parallel study under the more general setting given by statistical summability is proposed.

Tesis Univ. Jaén. Departamento de Matemáticas, leída el 27 de febrero de 2015

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Keywords

Saturación, Shape preserving approximation, Matrix summability, Casi convergencia, Operadores lineales, Saturation, Linear operators, Aproximación conservativa, 510, Sumabilidad matricial, Almost convergence

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selected citations
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This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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