\documentclass[10pt]{beamer}
%\usetheme{Copenhagen}
\usepackage{setspace}
%\usepackage[absolute,overlay]{textpos}
\usepackage{graphicx}
\usepackage{multicol}
\usepackage{caption}
\usepackage[labelformat=empty]{caption}
%\usepackage[driver=pdftex]{geometry}
\usepackage{rotating}
\usepackage{tikz}
\usetikzlibrary{arrows,shapes}
\usetikzlibrary{decorations.pathmorphing}
\usepackage{epstopdf}
\DeclareGraphicsExtensions{.eps}
\usepackage{comment}
%\usepackage[usenames,dvipsnames]{xcolor}
\usepackage{slashed}
\usepackage{multicol}
\usepackage{subcaption} 
\usepackage{epsfig}
\usepackage{stackengine}

%\usepackage{subfigure}
\usepackage{minibox}
\usepackage{amsthm}
\usepackage{amsmath}
\usepackage{amsfonts}
\usepackage{amssymb}
\usepackage{comment}
\usepackage{tikz}
\usepackage[sharp]{easylist}
\usepackage{beamerthemesplit}
%\usepackage{graphics}
\usepackage{framed}
\usepackage{hyperref}
\definecolor{darkgreen}{rgb}{0, .6, 0}
\definecolor{darkgreen1}{rgb}{0, .35, 0}
\definecolor{darkred}{rgb}{.75,0,0}
\usepackage{caption}
\usepackage{mathtools}
\newcommand{\equalexpl}[1]{%
  \underset{\substack{\uparrow\\\mathrlap{\text{\hspace{-1em}#1}}}}{=}}


\setbeamercovered{invisible}%{transparent}
%\usepackage[usenames,dvipsnames,svgnames,table]{xcolor}
%\mode<presentation>
\usetheme{Hannover}%{crane}
%\usetheme{Copenhagen}
\usecolortheme{beaver}
\useoutertheme{infolines}
\usefonttheme{serif}
\setbeamertemplate{navigation symbols}{} 
\title[A.Ghaani]{\textbf{Titel
}}
\author[]{
}
%\institute[2017]
%{IPM\\
% Tehran, Iran
%}

\vspace{10mm}
\date[Sep. (2018)]{\textbf{\tiny{September 2018}}}

\newtheorem{prop}{Proposition}
\definecolor{gold}{rgb}{1.0, 0.7, 0.0}
\definecolor{orange2}{rgb}{1.0, 0.65, 0.0}
\newcommand{\p}{\partial}
\newcommand{\mn}{{\mu\nu}}

\newcommand {\dalembert}{\Box}
\newcommand{\LO}{{(0)}}
\newcommand{\FO}{{(1)}}
\newcommand{\SO}{{(2)}}
\newcommand{\TO}{{(3)}}
\newcommand{\NO}{{(n)}}
\newcommand{\Ga}{\Gamma}
\newcommand{\ga}{\gamma}
\newcommand{\si}{\sigma}
\newcommand{\tb}{\textbf}
 
%%%%%%%%%
\setbeamertemplate{navigation symbols}{}
\newcommand\FrameText[1]{%
  \begin{textblock*}{\paperwidth}(4pt,\textheight)
    \raggedright #1\hspace{.5em}
  \end{textblock*}}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\newcommand{\xdownarrow}[1]{%
	{\left\downarrow\vbox to #1{}\right.\kern-\nulldelimiterspace}}
\def\half{{1\over 2}}


\newcommand{\pd}{\partial}
\newcommand{\de}{\delta}
\newcommand{\eps}{\epsilon}
\newcommand{\bG}{\boldsymbol{\Gamma}}
\newcommand{\bL}{{\mathbf L}}
\newcommand{\bM}{{\boldsymbol M}}
\newcommand{\cL}{{\mathcal L}}
\newcommand{\bQ}{{\boldsymbol{ Q}}}
\newcommand{\bE}{{\boldsymbol E}}
\newcommand{\bTheta}{{\boldsymbol \Theta}}
\newcommand{\hl}[1]{{\color{orange2}\textbf{\textit{#1}}}}
\newcommand{\rf}[1]{{\footnotesize[\textsl{#1}]}}
\newcommand{\etal}{{ et al.}\ }
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%


\begin{document}

\begin{figure}
\centering
 \includegraphics[height=8cm, width=10cm]{hossein.png}
% \caption{ \color{blue} Phase diagram of nuclear matter }
\end{figure}

\begin{frame}
\titlepage
\begin{center}
\end{center}
\end{frame}
%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%


\end{document}