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On the Uniform Doubling of Hutchinson Orbits of Contractive Mappings
(Instituto de Matemática Aplicada del Litoral, 2008-12)
We are interested in the preservation of doubling properties along the Hutchinson orbit generated by successive applications of contraction mappings on a metric measure space. We construct some elementary examples, built ...
Boundedness of the Hardy–Littlewood Maximal Operator Along the Orbits of Contractive Similitudes
(Springer, 2012-03)
In this note we obtain results regarding the preservation of homogeneity properties along the whole orbit of a given iterated function system (IFS). We have essentially two types of results. The first class of them contains ...
Pointwise estimate for the Hardy-Littlewood maximal operator on the orbits of contractive mappings
(Academic Press Inc Elsevier Science, 2012-11)
Let M n denote the Hardy-Littlewood maximal operator on the n-th iteration of a given iterated function system (IFS). We give sufficient conditions on the IFS in order to obtain a pointwise estimate for M n in terms of the ...
Gradual doubling property of Hutchinson orbits
(Springer Heidelberg, 2015-11)
The classical self-similar fractals can be obtained as xed points of the iteration technique introduced by Hutchinson. The well known results of Mosco show that typically the limit fractal equipped with the invariant measure ...
Comment on ‘The spectral decomposition of the helium atom two-electron configuration in terms of hydrogenic orbitals’
(IOP Publishing, 2013-01)
A brief remark is made about Hutchinson´s paper et al (2012 E.J.P) about the ground configuration of the Helium atom and the importance of continuum states. The purpose of our comment is twofold: first, to indicate that ...
Aproximación y convergencia de espacios de tipo homogéneo. Problemas analíticos y geométricos
(2008-03-27)
El trabajo de tesis se centra en obtener resultados analíticos y geométricos en contextos continuos (espacios de tipo homogéneo generales) a partir de situaciones discretas y aún finitas.
Probamos que el tipo débil ...
Desarrollo de arquitecturas de control en sistemas satelitales multiagente para servicios de observación terrestre
(Universidad Nacional de ColombiaBogotá - Ingeniería - Doctorado en Ingeniería - Ingeniería Mecánica y MecatrónicaDepartamento de Ingeniería Mecánica y MecatrónicaFacultad de IngenieríaBogotá, ColombiaUniversidad Nacional de Colombia - Sede Bogotá, 2021)
Las necesidades de apropiación tecnológica y la estructuración de misiones espaciales
en el contexto colombiano traen consigo la demanda de servicios y trabajos colaborativos
y especializados, para los diferentes segmentos ...
More roads, more conflict? The effect of rural roads on armed conflict and illegal economies in Colombia
This paper estimates the impact of rural roads on armed conflict and illicit crops in Colombia over a fourteen year period of rapid growth of road investments. We estimate the causal impact of these interventions using ...