Bounded, separating, incompressible surfaces in knot manifolds (Q795378)
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scientific article; zbMATH DE number 3862050
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Bounded, separating, incompressible surfaces in knot manifolds |
scientific article; zbMATH DE number 3862050 |
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Bounded, separating, incompressible surfaces in knot manifolds (English)
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1984
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The author proves the existence of the object in the title as an application of more general results. As a consequence he verifies a 20 year old conjecture of the reviewer: Every knot group is a free product with amalgamation in a non-trivial way, with the amalgamating subgroup free.
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incompressible suface
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knot group
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free product with amalgamation
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