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We study the truncated multidimensional moment problem with a general type of truncations. The operator approach to the moment problem is presented. A way to construct atomic solutions of the moment problem is indicated.

Functional Analysis · Mathematics 2018-11-28 Sergey M. Zagorodnyuk

The truncated multidimensional moment problem is studied in terms of the Stieltjes transform as the interpolation problem. A step-by-step algorithm is constructed for the multidimensional moment problem and the set of solutions is found in…

Functional Analysis · Mathematics 2025-01-13 Ivan Kovalyov

We study the truncated two-dimensional moment problem (with rectangular data): to find a non-negative measure $\mu(\delta)$, $\delta\in\mathfrak{B}(\mathbb{R}^2)$, such that $\int_{\mathbb{R}^2} x_1^m x_2^n d\mu = s_{m,n}$, $0\leq m\leq…

Functional Analysis · Mathematics 2017-08-01 Sergey M. Zagorodnyuk

Infinite dimensional moment problems have a long history in diverse applied areas dealing with the analysis of complex systems but progress is hindered by the lack of a general understanding of the mathematical structure behind them.…

Functional Analysis · Mathematics 2017-10-02 Maria Infusino , Salma Kuhlmann

In this paper, we devote our interest to solving the real cubic truncated moment problem. We provide some results that allow to get a complete solution via a minimal representing measure. Some numerical examples are also presented to…

Functional Analysis · Mathematics 2023-07-25 Abdelaziz El Boukili , Amar Rhazi , Bouazza El Wahbi

This paper is about the moment problem on a finite-dimensional vector space of continuous functions. We investigate the structure of the convex cone of moment functionals (supporting hyperplanes, exposed faces, inner points) and treat…

Functional Analysis · Mathematics 2018-04-20 Philipp J. di Dio , Konrad Schmüdgen

The multidimensional moment problem is studied in terms of the Steiltjes transform. The diagonal step-by-step algorithm is constructed for the multidimensional moment problem. The set of solutions of the full multidimensional moment problem…

Functional Analysis · Mathematics 2025-01-13 Ivan Kovalyov

These are notes of the lectures given during the Toric Topology Workshop at the Korea Advanced Institute of Science and Technology in February 2010. We describe several approaches to moment-angle manifolds and complexes, including the…

Algebraic Topology · Mathematics 2010-10-18 Taras Panov

It is known that positive definiteness is not enough for the multidimensional moment problem to be solved. We would like throw in to the garden of existing in this matter so far results one more, a result which takes into considerations the…

Functional Analysis · Mathematics 2007-06-29 F. H. Szafraniec

In this paper we obtain an algorithm towards solving the two-dimensional moment problem. This algorithm gives the necessary and sufficient conditions for the solvability of the moment problem. It is shown that all solutions of the moment…

Functional Analysis · Mathematics 2010-09-27 Sergey M. Zagorodnyuk

When the algebraic variety associated with a truncated moment sequence is finite, solving the moment problem follows a well-defined procedure. However, moment problems involving infinite algebraic varieties are more complex and less…

Functional Analysis · Mathematics 2024-12-31 Seonguk Yoo , Aljaz Zalar

This paper studies generalized truncated moment problems with unbounded sets. First, we study geometric properties of the truncated moment cone and its dual cone of nonnegative polynomials. By the technique of homogenization, we give a…

Numerical Analysis · Mathematics 2022-08-02 Lei Huang , Jiawang Nie , Ya-Xiang Yuan

In this paper we obtain an algorithm towards solving the two-dimensional moment problem. This algorithm gives the necessary and sufficient conditions for the solvability of the moment problem. It is shown that all solutions of the moment…

Functional Analysis · Mathematics 2010-07-01 Sergey M. Zagorodnyuk

The truncated moment problem consists of determining whether a given finitedimensional vector of real numbers y is obtained by integrating a basis of the vector space of polynomials of bounded degree with respect to a non-negative measure…

Algebraic Geometry · Mathematics 2023-02-15 Didier Henrion , Simone Naldi , Mohab Safey El Din

We consider the problem of finding a (non-negative) measure $\mu$ on $\mathfrak{B}(\mathbb{C}^n)$ such that $\int_{\mathbb{C}^n} \mathbf{z}^{\mathbf{k}} d\mu(\mathbf{z}) = s_{\mathbf{k}}$, $\forall \mathbf{k}\in\mathcal{K}$. Here…

Functional Analysis · Mathematics 2021-02-12 Sergey M. Zagorodnyuk

The realizability problem is a well-known problem in the analysis of complex systems, which can be modeled as an infinite-dimensional moment problem. More precisely, as a truncated $K-$moment problem where $K$ is the space of all possible…

Probability · Mathematics 2023-05-18 Raúl E. Curto , Maria Infusino

This paper is a continuation of our previous investigations on the truncated matrix trigonometric moment problem in Ukrainian Math. J., 2011, \textbf{63}, no. 6, 786-797, and Ukrainian Math. J., 2013, \textbf{64}, no. 8, 1199-1214. In this…

Functional Analysis · Mathematics 2015-05-19 Sergey M. Zagorodnyuk

Let $\mathsf{A}=\{a_1,\dots,a_m\}$, $m\in\mathbb{N}$, be measurable functions on a measurable space $(\mathcal{X},\mathfrak{A})$. If $\mu$ is a positive measure on $(\mathcal{X},\mathfrak{A})$ such that $\int a_i d\mu<\infty$ for all $i$,…

Functional Analysis · Mathematics 2018-09-05 Philipp J. di Dio , Konrad Schmüdgen

The trigonometric moment problem arises from the study of one-parameter families of centers in polynomial vector fields. It asks for the classification of the trigonometric polynomials $Q$ which are orthogonal to all powers of a…

Classical Analysis and ODEs · Mathematics 2011-09-21 Amelia Álvarez , José Luis Bravo , Colin Christopher

Truncated moment problems in the class of generalized Nevanlinna functions are investigated. General solvability criteria will be established, covering both the even and odd problems, including complete parametrizations of solutions. The…

Functional Analysis · Mathematics 2011-01-04 Vladimir Derkach , Seppo Hassi , Henk de Snoo
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