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math.FA2017
On the truncated two-dimensional moment problem
Sergey M. Zagorodnyuk
We study the truncated two-dimensional moment problem (with rectangular data): to find a non-negative measure , , such that $\int_{\mathbb{R}^…
math.CA2017★ 5 cited
The Inverse Spectral Problem for Jacobi-Type Pencils
Sergey M. Zagorodnyuk
In this paper we study the inverse spectral problem for Jacobi-type pencils. By a Jacobi-type pencil we mean the following pencil , where is a Jacobi matrix and $…