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Normal indices in Nikishin systems

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URI: http://hdl.handle.net/10016/6297
ISSN: 0021-9045
DOI: 10.1016/j.jat.2003.09.009
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normal_lagomasino_jat_2003_ps.pdf (153.47 KB)
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2003-10
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Elsevier
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Abstract
We improve the class of indices for which normality takes place in a Nikishin system and apply this in Hermite–Padé approximation of such systems of functions.
Description
9 pages, no figures.-- MSC1991 code: Primary 42C05.
MR#: MR2016675 (2004k:41025)
Zbl#: Zbl 1035.41010
Keywords
Hermite-Padé approximation, Nikishin systems, AT systems, Normality
Bibliographic citation
Journal of Approximation Theory, 2003, vol. 124, n. 2, p. 254-262
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