On the finiteness of higher knot sums (Q1091641)

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scientific article; zbMATH DE number 4011443
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English
On the finiteness of higher knot sums
scientific article; zbMATH DE number 4011443

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    On the finiteness of higher knot sums (English)
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    1987
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    This paper settles a long-standing problem in high-dimensional knot theory by showing that every \(n\)-knot (n\(\geq 3)\) decomposes as a sum of irreducible knots, and that for a given knot there is a finite upper bound on the number of summands. The proof is a beautiful application of the theory of groups acting on trees.
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    decompositions of the knot group
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    n-knot
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    sum of irreducible knots
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    upper bound on the number of summands
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    groups acting on trees
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