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{$\dots$ now available:}

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\newfont{\HUGE}{cmr10 scaled 15000}
{\HUGE GOBLIN}

\vspace*{2cm}
{\huge A C++ Library for Network Programming Problems}
\end{center}

\clearpage
{\Huge\bf GOBLIN Features:}
{\huge
\vspace*{1cm}
\begin{quote}
\begin{itemize}
\item Extendable class hierarchy which separates solvers and graph definitions
\item Documented open source code
\item GNU public license (LGPL)
\item Compile time configuration for code optimization
\item Powerful, configurable logging and graphical tracing functionality
\item Graphical browser and editor tool (GOBLET)
\item Tcl/Tk based script interpreter (GOSH)
\item Support for TSPLIB and DIMACS graph objects
\item Export of canvasses to xFig and Tcl/Tk
\end{itemize}
\end{quote}}


\clearpage
\begin{minipage}{6.5cm}
\vspace*{3.6cm}
{\Huge\bf GOBLET

\medskip Editor}
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\end{minipage}
\begin{minipage}{18cm}
\begin{center}
\vspace*{0.8cm}
\hspace*{3cm}
\includegraphics*[scale=0.65]{edit.ps}
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\end{center}
\end{minipage}


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{\Huge\bf Tracing Graph \\ Algorithms}
\vspace*{11cm}
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\begin{minipage}{18cm}
\begin{center}
\hspace*{3cm}
\includegraphics*[scale=0.65]{browse.ps}
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\clearpage
{\Huge\bf Covered Problems:}
{\huge
\vspace*{1cm}
\begin{quote}
\begin{itemize}
\item Shortest Paths, Negative Cycles, Minimum Mean Cycles
\item Spanning Trees, Arborescences and 1-Trees
\item Network Flows ($st$-Flows, Circulations, $b$-Flows)
\item Matchings and (Capacitated) $b$-Matchings
\item Directed and Undirected Chinese Postman Tours, $T$-Joins
\item TSP, ATSP, Metric TSP and Hamiltonian Cycles
\item Stable Sets, Cliques, Vertex Covers
\item Node and Edge Colourings, Node Disjoint Clique Covers
\item Graph Connectivity, Minimum and Maximum Edge Cuts
\end{itemize}
\end{quote}}


\clearpage
{\Huge\bf Spanning Trees}

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\begin{center}
{\huge Spanning Arborescence}
\vspace*{1.5cm}

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\epsfbox{branch2.eps}
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\epsfxsize=11.5cm
\epsfbox{surface.eps}

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{\huge Surface Graph of the Arborescence Method}
\end{center}
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{\Huge\bf Network Flows}

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\begin{center}
{\huge Maximum Flow and Minimum Cut}
\vspace*{2cm}

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\epsfxsize=9cm
\epsfbox{maxflow4.eps}
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\hspace*{2cm}
\begin{minipage}{11cm}
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\epsfxsize=11cm
\epsfbox{maxmean.eps}

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{\huge Maximum Mean Cycle}
\end{center}
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\clearpage
{\Huge\bf Matchings}

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\begin{minipage}{8cm}
\begin{center}
{\huge $T$-Join (Shortest Path Problem)}
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\epsfbox{tjoin.eps}
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\hspace*{3cm}
\begin{minipage}{12cm}
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\epsfxsize=12cm
\epsfbox{pr76.eps}

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{\huge Geometric 2-Factor and Tour}
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{\Huge\bf Branch and Bound}

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{\huge Branch Tree}
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\epsfbox{branchtree.eps}
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\end{minipage}
\hspace*{2cm}
\begin{minipage}{15cm}
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\includegraphics*[scale=0.6]{logging.ps}

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{\huge Logfile}
\end{center}
\end{minipage}


\clearpage
{\Huge\bf Traveling Salesman}

\vspace*{2cm}
\begin{minipage}{10cm}
\begin{center}
{\huge Candidate Graph}
\vspace*{1.5cm}

\epsfxsize=10cm
\epsfbox{candidates.eps}
\end{center}
\end{minipage}
\hspace*{3cm}
\begin{minipage}{10cm}
\begin{center}
\epsfxsize=10cm
\epsfbox{hamilton.eps}

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{\huge Hamiltonian Cycle}
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{\Huge\bf Packings and Partitions}

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\begin{center}
{\huge Maximum Stable Set}
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\epsfbox{queens.eps}
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\epsfbox{colours.eps}

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{\huge Node Colouring}
\end{center}
\end{minipage}


\clearpage
{\Huge\bf Advantages of Free Open Source Software}
{\huge
\vspace*{1cm}
\begin{quote}
\begin{itemize}
\item More functionality (compile time configuration, no disabled options)
\item More transparency (code reviews by externals -> peer reviews)
\item Better integration into other projects (additional interfaces)
\item Open standards (interfaces can be controlled by users)
\item Soon availability (before reaching stability)
\item Longer availability (user can maintain the code instead of migration to
        another product)
\item Easier portability
\item Higher security (security gaps are public)
\end{itemize}
\end{quote}}


\clearpage
{\Huge\bf Contact}

\vspace*{1cm}
{\huge
\begin{quote} 
Christian Fremuth-Paeger, University of Augsburg
    
\medskip
e-mail: \verb/goblin@math.uni-augsburg.de/

\end{quote} 
}


\vspace*{3cm}
{\Huge\bf Download}

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{\huge
\begin{quote} 
\verb!www.math.uni-augsburg.de/opt/goblin/goblin.html!
\end{quote} 

}



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