Zero cancellation

Harry Dym, Shahar Nevo

Research output: Contribution to journalArticlepeer-review

6 Scopus citations

Abstract

The problem of eliminating the right half plane zeros of an rmvf (rational matrix valued function) G(z) with minimal realization G(z) = D + C(zI n - A)-1B by multiplication on the right by a suitably chosen J-inner rmvf Θ(z) is studied. The analysis exploits the theory of Smith-McMillan forms to extend the method of J-lossless conjugators that was introduced by Kimura to more general settings.

Original languageEnglish
Pages (from-to)1-26
Number of pages26
JournalLinear Algebra and Its Applications
Volume404
Issue number1-3
DOIs
StatePublished - 15 Jul 2005

Bibliographical note

Funding Information:
This research was partially supported by the German–Israeli Foundation for Scientific Research and Development under a G.I.F. grant and by the Israel Science Foundation under grant 300/02; HD thanks Renee and Jay Weiss for endowing the Chair that supports his research. ∗ Corresponding author. Tel.: +972 8 934 2902; fax: +972 8 934 4308. E-mail addresses: [email protected] (H. Dym), [email protected] (S. Nevo).

Funding

This research was partially supported by the German–Israeli Foundation for Scientific Research and Development under a G.I.F. grant and by the Israel Science Foundation under grant 300/02; HD thanks Renee and Jay Weiss for endowing the Chair that supports his research. ∗ Corresponding author. Tel.: +972 8 934 2902; fax: +972 8 934 4308. E-mail addresses: [email protected] (H. Dym), [email protected] (S. Nevo).

FundersFunder number
G.I.F.
German-Israeli Foundation for Scientific Research and Development
Israel Science Foundation300/02

    Keywords

    • J-inner matrix valued functions
    • J-lossless conjugators
    • Pole cancellation
    • Riccati equations
    • Smith-McMillan forms
    • Stability
    • Zero cancellation

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