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[文献書誌] T.Hara: "The asymptotic stability and star shaped periodic solutions for delay differential system" Nonlinear Analysis. 30. 4555-4563 (1997)
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[文献書誌] J.Sugie and T.Hara: "Oscillatory solutions and rotatory solutions for a periodically forced Lienard systems" Differential and Integral Equations. 10. 717-738 (1997)
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[文献書誌] T.Hara, R.Miyazaki and T.Morii: "Asymptotic stability condition for linear differential-difference equations with N delays" Dynamic Systems and Applications. 6. 493-506 (1997)
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[文献書誌] J.Sugie, R.Kohno and R.Miyazaki: "On a predator-prey system of Holling type" Proceedings of the American Mathematical Society. 125. 2041-2050 (1997)
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[文献書誌] R.Miyazaki: "Characteristic eqution and asymptotic behavior of delay-differential equation" Funkcialaj Ekvacioj. 40. 471-481 (1997)
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[文献書誌] W.Ma, N.Adachi and T.Amemiya: "On the delay independent stabilization of linear neutral systems with limited measurable state variables." Journal of Mathematical Analysis and Applications. 213. 601-619 (1997)
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[文献書誌] T.Hara, R.Miyazaki and T.Matsumi: "Exponential asymptotic stability in linear delay-differential equations with variable coefficients" Differential and Integral Equations. 11. 263-278 (1998)
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[文献書誌] J.Sugie, D.-L. Chen and H.Matsunaga: "On global asymptotic stability of systems of Lienard type" Journal of Mathematical Analysis and Applications. 219. 140-164 (1998)
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[文献書誌] J.Sugie: "Two-parameter bifurcation in a predator-prey system of Ivlev type" Journal of Mathematical Analysis and Applications. 217. 349-371 (1998)
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[文献書誌] W.Ma and Y.Takeuchi: "Stability analysis on a predator-prey system with distributed delays" Journal of Computational and Applied Mathematics. 88. 79-94 (1998)
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[文献書誌] W.Ma and Y.Takeuchi: "Stability of neutral differential difference systems with infinite delays" Nonlinear Analysis. 33. 367-390 (1998)
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[文献書誌] Y.Takeuchi and W.Ma: "Global attractivity of mixed Lotka-Volterra differential system with delays" Canada Applied Mathematics Quarterly. 6. 245-267 (1998)
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[文献書誌] R.Miyazaki: "Analysis of characteristic roots of delay-differential systems" Dynamics of Continuous, Discrete and Impulsive Systems. (in press).
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[文献書誌] H.Matsunaga, R.Miyazaki and T.Hara: "Global attractivity results for nonlinear delay differential equations" Journal of Mathematical Analysis and Applications. (in press).