Irreducible Almost Simple Subgroups of Classical Algebraic Groups

Ebook Details


Timothy C. Burness, Soumaia Ghandour, Claude Marion

Year 2015
Pages 110
Publisher Amer Mathematical Society
Language en
ISBN 9781470410469
File Size 986.8 KB
File Format PDF
Download Counter 82
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Ebook Description

Let $G$ be a simple classical algebraic group over an algebraically closed field $K$ of characteristic $p\geq 0$ with natural module $W$. Let $H$ be a closed subgroup of $G$ and let $V$ be a nontrivial $p$-restricted irreducible tensor indecomposable rational $KG$-module such that the restriction of $V$ to $H$ is irreducible. In this paper the authors classify the triples $(G,H,V)$ of this form, where $V \neq W,W^{*}$ and $H$ is a disconnected almost simple positive-dimensional closed subgroup of $G$ acting irreducibly on $W$. Moreover, by combining this result with earlier work, they complete the classification of the irreducible triples $(G,H,V)$ where $G$ is a simple algebraic group over $K$, and $H$ is a maximal closed subgroup of positive dimension.