Automorphisms of Chevalley groups of types \(A_l\), \(D_l\), \(E_l\) over local rings without \(1/2\). (Q548760)
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| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Automorphisms of Chevalley groups of types \(A_l\), \(D_l\), \(E_l\) over local rings without \(1/2\). |
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Automorphisms of Chevalley groups of types \(A_l\), \(D_l\), \(E_l\) over local rings without \(1/2\). (English)
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30 June 2011
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The author proves that every automorphism of a Chevalley group of type \(A_l\), \(D_l\), or \(E_l\), \(l\geq 3\) over a commutative local ring without \(1/2\) is standard, i.e., it is a composition of ring, inner, central, and graph automorphisms.
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Chevalley groups over local rings
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standard automorphisms
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