diff --git a/algorithmique/diapos/Makefile b/algorithmique/diapos/Makefile
new file mode 100644
index 0000000..05f0ffd
--- /dev/null
+++ b/algorithmique/diapos/Makefile
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+RST = python tools/rst.py
+
+TEXDOCUMENTS  = $(basename $(wildcard *.tex))
+RSTDOCUMENTS  = $(basename $(wildcard *.txt))
+
+SOURCES       = $(addsuffix .tex,$(TEXDOCUMENTS))
+DVI           = $(addsuffix .dvi,$(TEXDOCUMENTS))
+POSTSCRIPT    = $(addsuffix .ps,$(TEXDOCUMENTS))
+POSTSCRIPT_GZ = $(addsuffix .ps.gz,$(TEXDOCUMENTS))
+PDF           = $(addsuffix .pdf,$(TEXDOCUMENTS))
+RSTSOURCES    = $(addsuffix .txt,$(RSTDOCUMENTS))
+HTML          = $(TEXDOCUMENTS) $(addsuffix .html,$(RSTDOCUMENTS))
+
+all: dvi ps ps.gz html
+dvi: $(DVI)
+ps: $(POSTSCRIPT)
+ps.gz: $(POSTSCRIPT_GZ)
+pdf: $(PDF)
+html: $(HTML)
+
+
+${DVI}: %.dvi: %.tex
+	latex $<
+	latex $<
+
+${POSTSCRIPT}: %.ps: %.dvi
+	dvips -o $@ $<
+
+${POSTSCRIPT_GZ}: %.ps.gz: %.ps
+	gzip -c $< > $@
+
+${PDF}: %.pdf: %.tex
+	rm -f $*.out $*.log $*.aux
+	pdflatex $<
+	pdflatex $<
+	rm -f $*.out $*.log $*.aux
+
+%: %.tex %.dvi
+	latex2html -local_icons $<
+	touch $@
+
+%.html: %.txt
+	$(RST) $< > $@
+
+
+clean:
+	rm -f -- *~ *.log *.aux *.out *.nav *.snm *.toc ${DVI} ${POSTSCRIPT} ${POSTSCRIPT_GZ} ${PDF}
+	rm -fr ${HTML}
diff --git a/algorithmique/diapos/beamer.tex b/algorithmique/diapos/beamer.tex
new file mode 100644
index 0000000..f7aa130
--- /dev/null
+++ b/algorithmique/diapos/beamer.tex
@@ -0,0 +1,59 @@
+\documentclass{beamer}
+\usepackage{graphicx}
+\usetheme{Warsaw}
+\usepackage[french]{babel}
+\usepackage[utf8,utf8x]{inputenc}
+%\usepackage[T1]{fontenc}
+
+\logo{
+    \hspace{120pt}
+    \includegraphics[width=2cm]{img/cesi.jpg}~
+    \hspace{113pt}
+    \includegraphics[width=1cm]{img/logo-cadoles.png}~
+}
+
+
+%%\setbeamertemplate{background}{\includegraphics[width=128mm]{beamer-skel/img/banner01.png}}
+
+\title[]{Algorithmique}
+
+\subtitle{Cours du CESI}
+
+\author[Gwenaël Rémond]{}
+
+%\institute[E.O.L.E]{\includegraphics[width=2cm]{beamer-skel/img/logo-eole.png}}
+\institute[Cadoles]{\includegraphics[width=2cm]{img/cesi.jpg}}
+
+%\date{{\small 8 avril 2013}}
+
+\subject{Talks}
+
+\begin{document}
+
+\frame{\titlepage}
+
+\begin{frame}
+\frametitle{Notion de groupe}
+Un groupe est un ensemble $G$ muni d'une loi de composition interne $*$ telle que :
+\begin{itemize}
+\item La loi $*$ est associative;
+\item La loi $*$ poss\`ede un \'el\'ement neutre;
+\item Tout \'el\'ement de $G$ admet un sym\'etrique pour la loi $*$.
+\end{itemize}
+\end{frame}
+
+\begin{frame}
+ \frametitle{Introduction}
+ \begin{itemize}
+  \item Tiramisu :
+  \begin{itemize}
+   \item résultat d'une réflexion en gestation dès le début de EOLE 2.3 ;
+   \item première ligne de code environ septembre 2011 ;
+   \item un an de travail sur le code ;
+   \item 207 commits, 1 262 lignes de codes, 473 lignes de commentaires.
+  \end{itemize}
+ \end{itemize}
+\end{frame}
+
+\end{document}
+
diff --git a/algorithmique/diapos/img/cesi.jpg b/algorithmique/diapos/img/cesi.jpg
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diff --git a/algorithmique/diapos/img/logo-cadoles.png b/algorithmique/diapos/img/logo-cadoles.png
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