Block matrices corresponding to the strong two-dimensional real moment problem
UDC 517.98 We generalize the relationship between the strong one-dimensional real moment problem and the spectral theory of Jacobi-type block matrices for the two-dimensional case. An analog of Jacobi-type matrices corresponding to the problem in this formulation is proposed, and the corresponding...
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| Date: | 2026 |
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| Main Authors: | , , , |
| Format: | Article |
| Language: | Ukrainian |
| Published: |
Institute of Mathematics, NAS of Ukraine
2026
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| Online Access: | https://umj.imath.kiev.ua/index.php/umj/article/view/9274 |
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| Journal Title: | Ukrains’kyi Matematychnyi Zhurnal |
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Ukrains’kyi Matematychnyi Zhurnal| Summary: | UDC 517.98
We generalize the relationship between the strong one-dimensional real moment problem and the spectral theory of Jacobi-type block matrices for the two-dimensional case. An analog of Jacobi-type matrices corresponding to the problem in this formulation is proposed, and the corresponding system of polynomials orthogonal with respect to a measure with compact support on the real plane is described. |
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| DOI: | 10.3842/umzh.v78i3-4.9274 |