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\begin{document}
\title{Ancetre}


\author{Jean-Fran\c cois Couchot,  and  Christophe Guyeux*\\
  FEMTO-ST Institute, UMR 6174 CNRS\\
  Computer Science Laboratory DISC,
  University of Franche-Comt\'{e},
  Besan\c con, France.\\
  \{jean-francois.couchot,  christophe.guyeux\}@femto-st.fr\\
 $*:$ Authors in alphabetic order.\\
}
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\section{Introduction}\label{sec:intro}
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\section{Presentation of the Proposed Approach}\label{sec:ourapproach}
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\section{Experiments}\label{sec:experiments}



\section{First Stage: Genomes as Lists of Homologous Classes}
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\section{Second Stage: to Find Closed Genomes}
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\section{Third Stage: Reconstruction of Ancestral Syntheny Blocks for the two Closest Genomes}
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\section{Fourth Stage: Filling holes in the Obtained Ancestral Genome}

\section{Last Stage: to Reproduce the Process until Obtaining the Last Common Ancestor of the given set of Genomes}

\section{Conclusion}\label{sec:concl}


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