Displaying similar documents to “Oscillation for certain nonlinear neutral partial differential equations.”

Oscillatory properties of solutions of three-dimensional differential systems of neutral type

Eva Špániková (2000)

Czechoslovak Mathematical Journal

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The purpose of this paper is to obtain oscillation criteria for the differential system [ y 1 ( t ) - a ( t ) y 1 ( g ( t ) ) ] ' = p 1 ( t ) f 1 ( y 2 ( h 2 ( t ) ) ) y 2 ' ( t ) = p 2 ( t ) f 2 ( y 3 ( h 3 ( t ) ) ) y 3 ' ( t ) = - p 3 ( t ) f 3 ( y 1 ( h 1 ( t ) ) ) , t ∈ ℝ + = [ 0 , ∞ ) .