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D.D. Bainov ... et al KYUNGPOOK UNIVERSITY 1999 Kyungpook mathematical journal Vol.39 No.1
Sufficient conditions are found for oscillation of the bounded solutions and for existence of bounded nonoscillatory solutions to a class of nonlinear impulsive differential equations of third order with retarded argument.
Global Stability of the Solutions of Impulsive Functional Differential Equations
BAINOV, D.D. ..et al. KYUNGPOOK UNIVERSITY 1999 Kyungpook mathematical journal Vol.39 No.2
In the present paper the global stability is studied for the solutions of impulsive functional-differential equations with fixed moments of impulse effect. By means of piecewise continuous functions, which are generalizations of the classical Lyapunov functions, sufficient conditions are obtained for global stability of the zero solution of these equations.
D. D. Bainov ...et al KYUNGPOOK UNIVERSITY 1999 Kyungpook mathematical journal Vol.39 No.1
Some asymptotic properties of the unbounded, nonoscillatory solutions of impulsive differential equations of n-th order with deviating argument and fixed moments of impulse effect are investigated.