Existence of nonoscillatory solutions of first-order linear neutral delay differentical equations

摘要

In this paper, the existence of nonoscillatory solutions of the first-order neutral delay differential equations with variable coefficients and delays are studied. Some new sufficient conditions are given. In particular, conditions given in this paper are weaker than those known, so the results in this paper have wider application than the existing ones. (c) 2005 Elsevier Ltd. All rights reserved.