<Þ < < >\english >\thispagestyle{empty} >%\oddsidemargin=2.5cm >%\evensidemargin=2.5mm > >\begin{center} >\epsfxsize=0.4\textwidth >\begin{figure} >\vspace{-4.25cm} >\hspace{3.5cm} >\epsfbox{arm1.eps} >\end{figure} >\vspace{-1cm} >\huge{Urmia University}\\ >\Large{Faculty of Science}\\ >\Large{Department of Mathematics}\\ >\Large{ Urmia, Iran}\\ >\vspace{1.5cm} >\huge{}\\ >\vspace{.5cm} >\Large{Supervisor} >\large\bf{Dr}\\ >\vspace{.9cm} >\large{By} >\large\bf{}\\ >\vspace{1cm} >\Large{Thesis submitted > for the Degree of Master of Science > in Pure Mathematics}\\ >\vspace{1cm} >%\Large{2011}\\ >\end{center} >\farsi <ÒpagenumberingÞÐfarsifooÐ× <ÒthispagestyleÞÐemptyÐ× <ÒendÞdocument× <·ÒincludeÞÐvataniÐ× <ÚÚÚÚÚÚÚÚÚÚÚÚÚÚÚÚÚÚÚÚÚÚÚÚÚÚÚÚÚÚÚÚÚÚÚÚÚÚÚÚÚÚÚÚÚÚÚÚÚÚÚÚ