| Oscillation Theorems of Second Order Nonlinear Neutral Functional Differential Equations |
| Received:August 17, 1998 |
| Key Words:
neutral equation “limit” equation oscillation
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| Abstract: |
| This paper, we discuss a class of second order nonlinear neutral differential equations with variable coefficients and variable deviations， Sharp conditions are established for all bounded solutions of the equations to be oscillatory， Linearized oscillation criteria of the equations are also given. |
| Citation: |
| DOI:10.3770/j.issn:1000-341X.2001.04.001 |
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