AUTOMORPHISMS OF CHEVALLEY GROUPS OF TYPE F4\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$\varvec{\textbf{F}_4}$$\en

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This paper contains two theorems concerning the vanishing of natural transformations of (co)homology functors. Precisely, assume that R is an associative ring with identity and f:M→N\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \us...

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