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The distribution of zeroes of solutions of neutral equations
Authors:Zhou Yong  Wang Zhicheng
Institution:1. Department of Mathematics, Xiangtan University, Xiangtan, 411105. P. R. China;2. Department of Applied Mathematics, Hunan University Changsha, 410082, P. R. China
Abstract:The purpose of ibis paper is to study the distribution of zerocs of solutions of theneutral delay differential equations. An estimate is estublished for the distween betweenadjacenlt zeroes of the solutions of such equations under less restritive hypotheses on the variable coefficients.The results obtained improve and extend scme known resultsin the literature.
Keywords:neutral equation  distribution of zeroes  estimate
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