We generalize the relationship between the classical moment problem and the spectral theory of Jacobi matrices. We present the solution of the two-dimensional half-strong moment problem and suggest an analog of Jacobi-type matrices associated with the two-dimensional half-strong moment problem and the corresponding system of polynomials orthogonal with respect to a measure with compact support in the real plane.
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Translated from Ukrains’kyi Matematychnyi Zhurnal, Vol. 72, No. 8, pp. 1047–1063, August, 2020. Ukrainian DOI: 10.37863/umzh.v72i8.6062.
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Dudkin, M.E., Dyuzhenkova, O.Y. Two-Dimensional Half-Strong Real Moment Problem and the Corresponding Block Matrices. Part I. Ukr Math J 72, 1212–1229 (2021). https://doi.org/10.1007/s11253-020-01856-0
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DOI: https://doi.org/10.1007/s11253-020-01856-0