k-invariants of knotted 2-spheres (Q1060471)
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scientific article; zbMATH DE number 3907389
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | k-invariants of knotted 2-spheres |
scientific article; zbMATH DE number 3907389 |
Statements
k-invariants of knotted 2-spheres (English)
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1985
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The main theorem in this paper provides arbitrarily many examples of smooth 2-knots which have isomorphic \(\pi_ 1\) and isomorphic \(\pi_ 2\) (viewed as \({\mathbb{Z}}\pi_ 1\)-modules), but distinct k-invariants.
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smooth 2-knots
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k-invariants
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