deletions | additions       diff --git a/Introduction.tex b/Introduction.tex  index 4925e64..547ef1a 100644  --- a/Introduction.tex  +++ b/Introduction.tex 
...
Roughly speaking, given a problem with $k$ clusters, each agent (e.g., harmonies, particles, bats or fireflies) encodes a possible solution in $\Re^{k*n}$, as depicted in Figure~\ref{f.problem_representation}.  \begin{figure*}[htb]  \centerline{  \epsfxsize=4.3cm \epsfbox{./figs/cbers.eps}  \caption{}  \label{f.images}  \end{figure*}  \section{Methodology}  \label{s.material}