MATHEMATICA BOHEMICA, Vol. 120, No. 1, pp. 57-69, 1995

Existence of oscillatory and nonoscillatory solutions for a class of neutral functional differential equations

Y. Kitamura, T. Kusano, B. S. Lalli

Department of Mathematics, Faculty of Education, Nagasaki University, Nagasaki 852, Japan; Department of Mathematics, Faculty of Science, Hiroshima University, Higashi-Hiroshima 724, Japan; Department of Mathematics and Statistics, University of Saskatchewan, Saskatoon S7N 0W0, Canada

Abstract: For a certain class of functional differential equations with perturbations conditions are given such that there exist solutions which converge to solutions of the equations without perturbation.

Keywords: neutral functional differential equations, unperturbed equations

Classification (MSC91): 34K15

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