On the presentations of extended affine Weyl groups. (Q928394)
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scientific article; zbMATH DE number 5289835
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | On the presentations of extended affine Weyl groups. |
scientific article; zbMATH DE number 5289835 |
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On the presentations of extended affine Weyl groups. (English)
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18 June 2008
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Summary: We give a finite presentation for reduced non-simply laced extended affine Weyl groups of arbitrary nullity. When nullity is less than or equal to \(3\), this presentation reduces to a very simple presentation in which the generators and relations can be easily read from a set of data attached to the root system.
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presentations by conjugation
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extended affine root systems
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simply laced extended affine Weyl groups
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generators and relations
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