PORTUGALIAE MATHEMATICA Vol. 63, No. 4, pp. 407414 (2006) 

Oscillation of difference equations with variable coefficientsOzkan OcalanAfyon Kocatepe University, Faculty of Science and Arts, Department of Mathematics,ANS Campus, 03200, Afyon  TURKEY Email: ozkan@aku.edu.tr Abstract: In this study, under some appropriate conditions over the real sequences $\{p_{n}\}$ and $\{q_{n}\}$ we give some sufficient conditions for the oscillation of all solutions of the difference equation Keywords: difference equation; oscillation. Classification (MSC2000): 39A10. Full text of the article:
Electronic version published on: 7 Mar 2008.
© 2006 Sociedade Portuguesa de Matemática
