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An Application of the Schur Complement to Truncated Matricial Power Moment Problems (1712.06864v1)
Published 19 Dec 2017 in math.CA
Abstract: The main goal of this paper is to reconsider a phenomenon which was treated in earlier work of the authors' on several truncated matricial moment problems. Using a special kind of Schur complement we obtain a more transparent insight into the nature of this phenomenon. In particular, a concrete general principle to describe it is obtained. This unifies an important aspect connected with truncated matricial moment problems.
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