... Journal of Algebra 323 (2010) 2270ґ2289 Contents lists available at ScienceDirect Journal of Algebra www.elsevier.com/locate/jalgebra Automorphisms of Chevalley groups of type F 4 over local rings with 1/2 E.I. Bunina M.V. Lomonosov Moscow State University, Leninskie Gory, Main Building of MSU, ... Department of Higher Algebra, Moscow 119992, Russia article info abstract In the given paper we prove that every automorphism of a Chevalley ... Ring automorphisms. ... Denote matrix units by E ij...

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The beamer class Manual for version 3.06. \begin{frame} \frametitle{There Is No Largest Prime Number} \framesubtitle{The proof uses \textit{reductio ad absurdum}.} \begin{theorem} There is no largest prime number. \end{theorem} \begin{proof} \begin{enumerate} \item<1-| alert@1> Suppose $p$ were the largest prime number. \item<2-> Let $q$ be the product of the first $p$ numbers. \item<3-> Then $q+1$ is not divisible by any of them. \item<1-> Thus $q+1$ is also prime and greater than $p$.\qedhere

371. http://al.cs.msu.su/static/seminars/catfl/reports/001_free_software/page1.html