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\section{Combinatorial methods}     Many algorithms and networks have been proposed and presented, for each one highlighting their practical aspects as well as what their caveats. Some have already been proved to perform reasonably good (  diff --git a/layout.md b/layout.md  index 7813bbb..f924325 100644  --- a/layout.md  +++ b/layout.md 
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Introduction.tex  Phylogenetic networks.tex  Combinatorial methods.tex  figures/phyl_networks/phyl_networks.jpg  Conclusion discussion.tex