New relations between the Schur-Cohn-Fujiwara and Nour Eldinstability criteria |
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| Authors: | Anderson B.D.O. Mansour M. |
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| Affiliation: | Dept. of Syst. Eng., Australian Nat. Univ., Canberra, ACT; |
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| Abstract: | The authors demonstrate relationships between two different stability criteria, including reduced-order versions of these criteria. Modifications of the criteria can also be used for root counting. The various matrices whose signatures are the key to obtaining root distributions are related by congruency transformations with triangular structure, implying that the sign patterns of the leading principal minors are identical |
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