Electron. J. Diff. Eqns., Vol. 1997(1997), No. 16, pp 1-7.
Rafael Avis & Raul Naulin
This article shows that the zero solution to the system
is unstable. To show instability, we impose conditions on the nonlinear part and on the fundamental matrix of the linear system . Our results generalize the instability results obtained by J. M. Bownds, Hatvani-Pinter, and K. L. Chiou.
Submitted July 9, 1997. Published October 15, 1997.
Math Subject Classification:39A11, 39A10.
Key Words: Liapunov instability, h-stability.
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