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Autoafinidad en series temporales

Authors: Muñoz San Miguel, Jesús;

Autoafinidad en series temporales

Abstract

En algunas series temporales sumamente erráticas aparece un fenómeno típico de los conjuntos fractales. Este fenómeno, que recibe el nombre de autoafinidad, se manifiesta si representamos estas series en intervalos de tiempo con una duración cada vez menor y observamos que su apariencia es, en cierto sentido, similar. En este trabajo vamos a analizar que consecuencias tiene este fenómeno a la hora de describir como un proceso estocástico este tipo de series temporales. Como caso particular, analizaremos la serie Ibex35, que es como nos referiremos a la serie de los logaritmos de los cierres diarios del índice Ibex35 durante la década de los noventa (desde el día 2-01-1991 hasta el día 29-12-2000).

Country
Spain
Related Organizations
Keywords

Autoafinidad, Procesos estocásticos autoafines, Fractales

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selected citations
These citations are derived from selected sources.
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!
0
Average
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