On the four block problem,II: The singular system |
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| Authors: | Ciprian Foias Allen Tannenbaum |
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| Institution: | (1) Department of Mathematics, Indiana University, 47405 Bloomington, Indiana;(2) Department of Electrical Engineering, University of Minnesota, 123 Chruch Street SE, 55455 Minneapolis, Minnesota;(3) Department of Mathematics, Ben-Gurion University of the Negev, Israel |
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| Abstract: | In this paper we study the singular values of a  four block operator which naturally appears in control engineering. This extends our previous results from 7]. As before, we will show that this question is reducible to a skew Toeplitz operator problem of the kind studied in 1]. |
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