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Abstract
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International Journal of Mathematics and Mathematical Sciences 
Volume 26 (2001), Issue 12, Pages 737-744
doi:10.1155/S016117120100597X

Approximate controllability of neutral functional differential system with unbounded delay

Jong Yeoul Park and Sang Nam Kang

Department of Mathematics, Pusan National University, Pusan 609-735, Korea

Received 9 October 2000

Abstract

We consider a class of control systems governed by the neutral functional differential equation with unbounded delay and study the approximate controllability of the system. An example is given to illustrate the result.