
A class of neutral differential equations is investigated. The existence of nonoscillatory positive solutions is proved. Sufficient conditions for the existence of oscillatory solutions of this problem are given.
nonoscillatory positive solutions, oscillatory solutions, Applied Mathematics, Functional-differential equations (including equations with delayed, advanced or state-dependent argument), Oscillation theory, zeros, disconjugacy and comparison theory for ordinary differential equations, Neutral functional-differential equations, neutral differential equations, Analysis
nonoscillatory positive solutions, oscillatory solutions, Applied Mathematics, Functional-differential equations (including equations with delayed, advanced or state-dependent argument), Oscillation theory, zeros, disconjugacy and comparison theory for ordinary differential equations, Neutral functional-differential equations, neutral differential equations, Analysis
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