Coefficient Quantization in Banach Spaces

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Let (e_i) be a dictionary for a separable Banach space X. We consider the problem of approximation by linear combinations of dictionary elements with quantized coefficients drawn usually from a `finite alphabet'. We investigate several approximation properties of this type and connect them to the Banach space geometry of X. The existence of a total minimal system with one of these properties, namely the coefficient quantization property, is shown to be equivalent to X containing c_0.
LaTeX, 28 pages

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Functional Analysis, 46B20; 41A65

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http://salesiana.dossiersoluciones.com/handle/123456789/113873

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/math/0606317
 http://arxiv.org/abs/math/0606317

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arXiv