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Unconditional Bases, the Matrix Muckenhoupt Condition, and Carleson Series in a Spectrum

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Abstract

Two families of functions constructed by a system of n scalar Muckenhoupt weights are studied. Criteria are given under which these families are unconditional bases. From the point of view of the spectral operator theory, the problem is reduced to the study of the structure of n-dimensional perturbations of the integration operator. Weighted estimates for the Hilbert transform in the spaces of vector-functions are applied to construct an operator mapping functions of the studied families to vector-valued rational functions. The concept of the Carleson series is used in the study of the following problem: when do vector-valued rational functions form an unconditional basis? Bibliography: 8 titles.

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Authors
  1. G. M. Gubreev
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  2. E. I. Olefir
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Gubreev, G.M., Olefir, E.I. Unconditional Bases, the Matrix Muckenhoupt Condition, and Carleson Series in a Spectrum. Journal of Mathematical Sciences 110, 2955–2978 (2002). https://doi.org/10.1023/A:1015335220037

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  • DOI: https://doi.org/10.1023/A:1015335220037

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