On the oscillation of delay differential equations with real coefficients
A set of necessary conditions and another set of sufficient conditions for the oscillation of all the solutions of x˙(t)+∑i=1npix(t−τi)=0, where pi∈ℝ, τi∈ℝ+, i=1,2,…,n (*) are proved....
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Format: | Article |
Language: | English |
Published: |
Hindawi Limited
1999-01-01
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Series: | International Journal of Mathematics and Mathematical Sciences |
Subjects: | |
Online Access: | http://dx.doi.org/10.1155/S0161171299225732 |