On Truncated Matricial Stieltjes Type Moment Problems |
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Authors: | Yuriy M. Dyukarev Bernd Fritzsche Bernd Kirstein Conrad Mädler |
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Affiliation: | 1.Department of Physics,Kharkov State University,Kharkov,Ukraine;2.Mathematisches Institut,Universit?t Leipzig,Leipzig,Germany |
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Abstract: | We study two slightly different versions of truncated generalized matricial moment problems of Stieltjes type. A central topic is the construction and investigation of distinguished solutions of both moment problems under consideration. These solutions turn out to be nonnegative Hermitian Borel measures on the real axis which are concentrated on a finite number of points. Our approach is mainly algebraic. It is based on the use of particular matrix polynomials constructed from a nonnegative Hermitian block Hankel matrix. |
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