Sparse Hamburger Moment Sequences and Completions in Several Variables
classification
🧮 math.FA
keywords
momenthamburgersequencescharacterizationseveralsparsesubsequencesvariables
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Putinar and Vasilescu have given an algebraic characterization of Hamburger moment sequences in several variables. In this paper we give a characterization of sparse moment subsequences of Hamburger moment sequences and consider the problem of completion of these moment subsequences.
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