\def \ts {\tau_{\rm stop}}
-\newtheorem{Def}{Definition}
-%\newtheorem{Lemma}{\underline{Lemma}}
-\newtheorem{Theo}{Theorem}
-\newtheorem{Corollary}{Corollary}
-\newtheorem{Lemma}{Lemma}
-\newtheorem{proposition}{Proposition}
\newtheorem*{xpl}{Running Example}
\newcommand{\vectornorm}[1]{\ensuremath{\left|\left|#1\right|\right|_2}}
\begin{document}
\author{Jean-François Couchot, Christophe Guyeux, Pierre-Cyrille Heam}
-\address{Institut FEMTO-ST, Université de Franche-Comté, Belfort, France}
+\address{FEMTO-ST Institute, University of Franche-Comté, Belfort, France}
+\keywords{Pseudorandom Number Generator, Theory of Chaos, Markov Matrice, Hamiltonian Path, Mixing Time, Stopping Time, Statistical Test}
+\subjclass{34C28, 37A25,11K45}
\begin{abstract}
This paper is dedicated to the design of chaotic random generators