Aspherical four-manifolds and the centres of two-knot groups (Q1161183)
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scientific article; zbMATH DE number 3751846
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Aspherical four-manifolds and the centres of two-knot groups |
scientific article; zbMATH DE number 3751846 |
Statements
Aspherical four-manifolds and the centres of two-knot groups (English)
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1981
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Euler characteristic
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group with a nontrivial central element of infinite order
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Poincare duality
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centre of the group of a 2-knot
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hopfian modules
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deficiency of groups
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