\documentclass[11pt,a4paper]{scrartcl}
\usepackage{a4wide}

\usepackage{amsmath}
\usepackage{longtable}
\usepackage{subfigure}
\usepackage{latexsym}
\usepackage{amssymb}

\usepackage{graphicx}
\usepackage{url}
\usepackage[pdftex,colorlinks=true,linkcolor=black,citecolor=black,urlcolor=black]{hyperref}

\usepackage[final]{prelim2e}
\newcommand{\cvsrevision}{
  $$Revision: 1.1 $$ --  $$Date: 2005/04/25 12:30:04 $$%
}
\renewcommand{\PrelimWords}{%
  \textsf{Preliminary TR of JASS 2005 Course 3 --
    \cvsrevision{}%
  }
}

\begin{document}
%\pdfsync

\begin{center}
{\Large Some Computer Vision Problems}\\
\vspace{1cm}
{\it  Hans Mustermann}
\end{center}


\vspace{2cm}

This is the abstract of that chapter. Try to be not longer than 10 lines here.


\section{First Section}
add your text here.

\subsection{A Subsection}
add your text here.


%% if including figures, use the full relative path here!
\begin{figure}[htbp]
   \begin{center}
%   \includegraphics{example.jpg} % requires the graphicx package
   \caption{example caption}
   \label{fig:example}
   \end{center}
\end{figure}
 
 Some Formulas:
 
 $$a^2+b^2=c^2$$
 
and more
    
    \begin{align*} % requires amsmath; align* for no eq. number
       x_i = {}& x_{i-1} + z \\
      = {}& y_2 + z
    \end{align*}
 
\end{document}