Oscillation theorems for second order functional differential equations (Q1111752)
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scientific article; zbMATH DE number 4075597
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Oscillation theorems for second order functional differential equations |
scientific article; zbMATH DE number 4075597 |
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Oscillation theorems for second order functional differential equations (English)
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1988
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Conditions are found for all solutions of the functional differential equation \[ x''(t)+p(t)f(x(t),\quad x(h(t)))=0,\quad t\geq t_ 0, \] to be oscillatory. The case \(f(x,y)=y\) is considered in particular thus extending the results of \textit{J. Yan} [ibid. 122, 380-384 (1987; Zbl 0626.34077)].
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functional differential equation
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