Positive Solutions for Neutral Difference Equations with Continuous Arguments
Keyword(s):
Abstract Some “sharp” conditions are established for a kind of linear neutral difference equations with continuous arguments not to possess eventually positive solutions. The existence and asymptotic behavior are obtained for positive solutions of the kind of equations. The results for linear cases are further extended to nonlinear ones. A comparison principle, which is a necessary and sufficient condition, for linear equations not to possess eventually positive solutions is also presented.
1981 ◽
Vol 89
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pp. 201-215
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2005 ◽
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pp. 881-889
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pp. 279-285
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