Automorphisms of some structural infinite matrix rings. (Q2807243)
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scientific article; zbMATH DE number 6583003
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Automorphisms of some structural infinite matrix rings. |
scientific article; zbMATH DE number 6583003 |
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19 May 2016
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structural matrix rings
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infinite matrix rings
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automorphisms of matrix rings
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0.9408921
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0.93205893
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0.9241842
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0.92036533
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0.91979265
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0.9191295
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Automorphisms of some structural infinite matrix rings. (English)
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A structural matrix ring is a subring of a full matrix ring by virtue of the positions in which non-zero entries may occur. The classical example is an upper triangular matrix ring. Such matrix rings have been studied extensively. Here the authors extend this notion to column-finite infinite matrices. Their objective is to describe the automorphisms of such rings. For a structural infinite matrix ring over a field, a complete description of the automorphisms is given.
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