The fundamental group of the complement for Klein's arrangement of twenty-one lines (Q908513)
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scientific article; zbMATH DE number 4134930
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | The fundamental group of the complement for Klein's arrangement of twenty-one lines |
scientific article; zbMATH DE number 4134930 |
Statements
The fundamental group of the complement for Klein's arrangement of twenty-one lines (English)
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1990
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The group PSL(2,7) contains 21 involutions. Associated with these involutions are 21 lines in a representation space. Their union is called Klein's arrangement. The author computes the fundamental group of the complement of Klein's arrangement, i.e. he describes this group by generators and relations.
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unitary reflection group
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line arrangement
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fundamental group
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