2011
DOI: 10.1016/j.jat.2010.02.008
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Computing the Hessenberg matrix associated with a self-similar measure

Abstract: We introduce in this paper a method to calculate the Hessenberg matrix of a sum of measures from the Hessenberg matrices of the component measures. Our method extends the spectral techniques used by G. Mantica to calculate the Jacobi matrix associated with a sum of measures from the Jacobi matrices of each of the measures.We apply this method to approximate the Hessenberg matrix associated with a self-similar measure and compare it with the result obtained by a former method for self-similar measures which use… Show more

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Cited by 5 publications
(3 citation statements)
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“…measure is therefore a fundamental task, but a challenging one, the more so because the usual algorithms based on modified moments [55] are ill conditioned, for reasons explained in [18,41] (see also [6]). This goal has been achieved with ad hoc techniques [41,19,44,17] for I.F.S. with finitely many maps.…”
Section: Introductionmentioning
confidence: 99%
“…measure is therefore a fundamental task, but a challenging one, the more so because the usual algorithms based on modified moments [55] are ill conditioned, for reasons explained in [18,41] (see also [6]). This goal has been achieved with ad hoc techniques [41,19,44,17] for I.F.S. with finitely many maps.…”
Section: Introductionmentioning
confidence: 99%
“…En relación a los resultados del capítulo 3, se han desarrollado algoritmos para calcular la matriz de Hessenberg de una suma de medidas en el plano y también para la obtención de la medida autosemajante asociada a un SFI. Estos resultados han sido publicados en revistas incluidas en el Journal Citation Report(JCR) [EGST11] [EGST11b]. Nos proponemos profundizar en el análisis del comportamiento de la matriz resultante en función de las medidas componentes, así como la asintótica de los polinomios para medidas más generales que las medidas asociadas a shifts con pesos.…”
Section: Conclusiones Y L íNeas Futuras De Investigaci óNunclassified
“…pueden ser calculadas por el algoritmo definido en [EGST11]. En particular la sección de orden 6 de D es:…”
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