X-Git-Url: https://bilbo.iut-bm.univ-fcomte.fr/and/gitweb/chloroplast13.git/blobdiff_plain/1e61bcbdaedf0f72f05c3dd365fc11d3a2071330..181fe86127b57e8c7df3e97082134e7a5b7b8618:/classEquiv.tex diff --git a/classEquiv.tex b/classEquiv.tex index 829a8b4..f3d3ed1 100644 --- a/classEquiv.tex +++ b/classEquiv.tex @@ -14,7 +14,7 @@ $d(x,y)\leqslant T$. %\noindent $\sim_{d,T}$ is obviously an equivalence relation and when $d=1-\Delta$, where $\Delta$ is the similarity scoring function embedded into the emboss package , we will simply denote $\sim_{d,0.1}$ by $\sim$. -Let be given a \emph{similarity} threshold $T$ and a distance $d$, +Let be given a \emph{similarity} threshold $T$ and a distance $d$ (Needleman-Wunch released by EMBL for instance). The method begins by building an undirected graph between all the DNA~sequences $g$ of the set of genomes as follows: @@ -23,10 +23,10 @@ if $g_i \sim_{d,T} g_j$ is established. This graph is further denoted as the ``similarity'' graph. We thus consider that the pair of two coding sequences -$(g_i,g_j)$ belongs in the relation $\mathcal{R}$ if both $g_i$ an,d +$(g_i,g_j)$ belongs in the relation $\mathcal{R}$ if both $g_i$ and $g_j$ belong in the same connected component (CC), \textit{i.e.} if there is a path between $g_i$ -and $g_j$ in the similarity graph. It is not hard to see this relation is an +and $g_j$ in the similarity graph. It is not hard to see that this relation is an equivalence relation whereas $\sim$ is not. @@ -51,7 +51,7 @@ the projected genomes. \begin{figure} \begin{center} -\includegraphics[scale=0.4]{stats.png} +\includegraphics[scale=0.5]{stats.png} \end{center} \caption{Size of core and pan genomes w.r.t. the similarity threshold}\label{Fig:sim:core:pan} \end{figure}