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\textbf{
\begin{Large}
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Dippy -- a simplified interface\\[-6pt] for advanced mixed-integer \\[-6pt] programming\\[3pt]
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By Dr Michael O'Sullivan, Dr Cameron Walker, Qi-Shan Lim,%
Iain Dunning, Dr Stuart Mitchell and Assoc Prof Ted Ralphs\\[3pt]
February 2011\\
Report, University of Auckland Faculty of Engineering, no. ???\\
%ISSN 1179-528X % Print version
ISSN 1178-3680 % Electronic version
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\title{
Dippy -- a simplified interface for advanced mixed-integer programming
}

\author{Michael O'Sullivan\footnotemark, \ 
				Qi-Shan Lim, \
        Cameron Walker, \
        Iain Dunning\\
        {\it \small Department of Engineering Science, The University of Auckland, Auckland, New Zealand}\\
        Stuart Mitchell\\
        {\it \small Stuart Mitchell Consulting, Auckland, New Zealand}\\
        Ted Ralphs\\
        {\it \small Department of Industrial Engineering, Lehigh University, Pennsylvania, USA}}

\date{\today}

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                 \,Corresponding author.\\
                 {\it E-mail address:} michael.osullivan@auckland.ac.nz (M. J. O'Sullivan)
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\acrodef{MILP}{mixed-integer linear programming}
\acrodef{DIP}{Decomposition for Integer Programming}
\acrodef{CGL}{Cut Generator Library}
\acrodef{OSI}{Open Solver Interface}
\acrodef{DP}{dynamic programming}
\acrodef{TSP}{travelling salesperson}

\subsection*{Abstract}
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\section{Introduction} \label{scn:intro}
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\section{Combining \ac{DIP} and PuLP} \label{scn:overview}
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\section{Getting Started with Dippy} \label{scn:starting}
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\section{Case Studies} \label{scn:define}
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\section{Dippy in Practice} \label{scn:techs}
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\section{Performance and Conclusions} \label{scn:concl}
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\newpage
\section{Acknowledgments}

The authors would like to thank Matt Galati, one of the authors of \ac{DIP}, for his help throughout this project and the Department of Engineering Science at the University of Auckland for their support of Qi-Shan and Iain during this research project.
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