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scientific article; zbMATH DE number 3799928
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | No label defined |
scientific article; zbMATH DE number 3799928 |
Statements
1982
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Hattori-Stallings trace function
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Poincare-duality groups of dimension 2
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PD2-groups
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fundamental group of closed surface of positive genus
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Betti number
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Euler characteristics
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