diff --git a/dessin-LPM.pdf b/dessin-LPM.pdf
new file mode 100644
index 0000000..47cdac5
Binary files /dev/null and b/dessin-LPM.pdf differ
diff --git a/dessin-LPM.tex b/dessin-LPM.tex
new file mode 100644
index 0000000..22cfbb4
--- /dev/null
+++ b/dessin-LPM.tex
@@ -0,0 +1,78 @@
+\documentclass[tikz]{standalone}
+\usepackage{tikz}
+\usepackage{xcolor}
+
+\definecolor{lightorange}{HTML}{E69F00}
+\definecolor{darkorange}{HTML}{D55E00}
+\definecolor{lightblue}{HTML}{56B4E9}
+\definecolor{darkblue}{HTML}{0072B2}
+
+
+\usetikzlibrary{trees, positioning,shapes}
+
+\begin{document}
+
+\begin{tikzpicture}[
+        level distance=1.5cm,
+        level 1/.style={sibling distance=4cm},
+        level 2/.style={sibling distance=1.5cm},
+        every node/.style={circle, draw, minimum size=6mm},
+        edge from parent/.style={draw, -latex}
+    ]
+
+    % ======================
+    % ARBRE PHYLOGENETIQUE
+    % ======================
+
+    \node (root) {$i=0$}
+    child {
+            node[fill=lightorange] {$i=1$}
+            child { node[fill=darkorange] {$i=3$} }
+            child { node[fill=darkorange] {$i=4$} }
+            child { node[fill=darkorange] {$i=5$} }
+        }
+    child {
+            node[fill=lightblue] {$i=2$}
+            child { node[fill=darkblue] {$i=6$} }
+            child { node[fill=darkblue] {$i=7$} }
+        };
+
+    % Labels des niveaux
+
+    \node[left=1cm of root-1-1,draw=none] (l2) {$l=2$};
+    \node[above=0.4cm of l2,draw=none] (l1) {$l=1$};
+    \node[above=0.4cm of l1,draw=none] (l0) {$l=0$};
+
+    % ======================
+    % ESPACE LATENT (droite)
+    % ======================
+
+    \begin{scope}[xshift=6cm, yshift=-3.5cm]
+
+        % Axes
+        \draw[->] (-0.5,0) -- (4,0) node[right,draw=none] {};
+        \draw[->] (0,-0.5) -- (0,4) node[above,draw=none] {};
+
+        % Points correspondant aux noeuds
+        \node[inner sep=1.5pt] (g0) at (2,2) {$\gamma_{0,0}$};
+
+        \node[inner sep=1.5pt, left of = g0, fill = lightorange] (g11) {$\gamma_{1,1}$};
+        \node[inner sep=1.5pt, right of = g0, fill = lightblue] (g12) {$\gamma_{1,2}$};
+
+        \node[inner sep=1.5pt, above  = 0.5cm of g11, fill=darkorange]  (g23) {$\gamma_{2,3}$};
+        \node[inner sep=1.5pt, above right = 0.1cm of g23, fill=darkorange]  (g24) {$\gamma_{2,4}$};
+        \node[inner sep=1.5pt, below right = 1cm of g11, fill=darkorange]  (g25) {$\gamma_{2,5}$};
+
+        \node[inner sep=1.5pt, right = 0.1 cm of g25, fill=darkblue] (g26) {$\gamma_{2,6}$};
+        \node[inner sep=1.5pt, above of = g12, fill=darkblue] (g27) {$\gamma_{2,7}$};
+
+        \path (g0) edge[densely dotted] (g11) edge[densely dotted] (g12);
+        \path (g11) edge[densely dotted] (g23) edge[densely dotted] (g24) edge[densely dotted] (g25);
+        \path (g12) edge[densely dotted] (g27) edge[densely dotted] (g26);
+
+        % \node (box) [draw, ellipse, align=g26.west];
+    \end{scope}
+
+\end{tikzpicture}
+
+\end{document}
\ No newline at end of file