الفهرس 
CHAPTER 0: PRELIMINARIES.Only 14 pages are availabe for public view
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Abstract
The methods of functional analysis has so permeated numerical analysis , the sense that an understanding of functional analysis is essential to understanal moder numerical analysis . among of all the powerful methods of functional analysis for use in numerical analysis is the semigroup method, wich is an essential language in such computational developments like finte difference methodes for partial differential equation.