Abstract
In this paper, we apply the connugacy and boundedness of the zeros for a polynomial fn(z) with real coefficienta (i=0,1,2...n). A new simple geometric criterion for stability of fn(z) is given which is very convenient for paplication.
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References
Jemidovich, B. P.,Lectures for Mathematics Theory of Stability, Moscow (1977). (in Russian)
Lasalie, J. P.,The stability of Dynamical Systems, HUST Press (1983). (Chinese version)
Kurosh, A. T.,Higher Algebra, Chap. 8, Higher Education Publishing House (1956). (Chinese version)
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Communicated by Chou Huan-wen
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Xiao-jun, W. The new geometric criterion of polynomial stability. Appl Math Mech 9, 485–488 (1988). https://doi.org/10.1007/BF02465686
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DOI: https://doi.org/10.1007/BF02465686