PORTUGALIAE MATHEMATICA Vol. 62, No. 3, pp. 295302 (2005) 

The set of periodic solutions of a neutral differential equation with constant delay and piecewise constant argumentGenqiang Wang and Sui Sun ChengDepartment of Computer Science, Guangdong Polytechnic Normal University,Guangzhou, Guangdong 510665  P.R.\ CHINA Department of Mathematics, Tsing Hua University, Hsinchu, Taiwan 30043  R.O.\ CHINA Abstract: The complete set of $\omega$periodic solutions is found for a neutral differential equation with constant delay, piecewise constant argument and $\omega$periodic coefficients. Keywords: neutral differential equation; delay; piecewise constant argument; set of periodic solutions. Classification (MSC2000): 34K13. Full text of the article:
Electronic version published on: 7 Mar 2008.
© 2005 Sociedade Portuguesa de Matemática
