MATHEMATICA BOHEMICA, Vol. 138, No. 3, pp. 245-258, 2013

Stability in linear neutral difference equations with variable delays

Abdelouaheb Ardjouni, Ahcene Djoudi

Abdelouaheb Ardjouni, Ahcene Djoudi, Department of Mathematics, Faculty of Sciences, University of Annaba, P.O. Box 12 Annaba, Annaba 23000, Algeria, e-mail: abd_ardjouni@yahoo.fr, adjoudi@yahoo.com

Abstract: In this paper we use the fixed point method to prove asymptotic stability results of the zero solution of a generalized linear neutral difference equation with variable delays. An asymptotic stability theorem with a sufficient condition is proved, which improves and generalizes some results due to Y. N. Raffoul (2006), E. Yankson (2009), M. Islam and E. Yankson (2005).

Keywords: fixed point, stability, neutral difference equation, variable delay

Classification (MSC 2010): 39A30, 39A70


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