الفهرس 
IntroductionOnly 14 pages are availabe for public view
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Abstract
In this thesis we study some of the qualitative behavior of solutions of some difference equations. This thesis consists of introduction and three chapter In Chapter 1, we study the boundedness and periodicity to the solutions of some maxtype difference equations, we prove that every positive solution of Eq.(1) is periodic solution of period three and four for two cases to this equation. In Chapter 2, we investigate the boundedness and the periodicity character of solutions of the general maxtype difference equation we consider two separate cases of Equation. Also we study the periodicity of solutions of the difference equation with missed term. Finally, in Chapter 3, we investigate the global stability character, boundedness, and the periodicity of the solutions of the rational recursive sequence of type (33).