Abstract
We study the density problem for a set of polynomials in the space \(L_\sigma ^1 ( - \infty ,\infty )\), where σ is a measure with finite moments. The approach to this problem is based on methods of the theory of moments, which allows one to formulate sufficient conditions in terms of Nevanlinna functions.
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Kuvshinov, M.Y. On V-Extremal Solutions of the Moment Problem. Mathematical Notes 72, 362–372 (2002). https://doi.org/10.1023/A:1020551421470
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DOI: https://doi.org/10.1023/A:1020551421470