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Comments on ``Reachability of polynomial matrix descriptions (PMDs)'' by G. F. Fragulis and A. I. G. Vardulakis - MaRDI portal

Comments on ``Reachability of polynomial matrix descriptions (PMDs)'' by G. F. Fragulis and A. I. G. Vardulakis (Q1382939)

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scientific article; zbMATH DE number 1136752
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English
Comments on ``Reachability of polynomial matrix descriptions (PMDs)'' by G. F. Fragulis and A. I. G. Vardulakis
scientific article; zbMATH DE number 1136752

    Statements

    Comments on ``Reachability of polynomial matrix descriptions (PMDs)'' by G. F. Fragulis and A. I. G. Vardulakis (English)
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    5 November 1998
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    The paper is devoted to correct the definitions of admissible conditions, the exact solution of polynomial matrix description, and the proof of the controllability and reachability criteria presented in the publication mentioned in the title [\textit{G. F. Fragulis} and \textit{A. I. G. Vardulakis}, ibid. 14, No. 6, 787-815 (1995; Zbl 0841.93004)]. What is important, the criteria are not questioned.
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    polynomial matrix description
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    controllability
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    reachability
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