Homogeneity of dynamically defined wild knots (Q2496880)
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| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Homogeneity of dynamically defined wild knots |
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Homogeneity of dynamically defined wild knots (English)
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25 July 2006
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The knots in question are constructed by a very special process: One starts with a tame knot in the 3-sphere as the core of a string of pearls, i.e., a finite cyclically ordered set of round 3-balls, each one touching the two adjacent ones and disjoint from the remaining ones. Then for each pearl, the union of the other pearls is reflected into the inside of the pearl along the bounding sphere. The union of all these smaller pearls is a new string of pearls, lying inside the preceding one. This process is repeated, and the intersection of this descending series is a ``wild knot defined dynamically''. It is shown that such a knot is homogeneous, meaning that any two points of the knot can be mapped into each other by a self-homeomorphism of the 3-sphere, respecting the knot, and, if applicable, respecting a suitable fibering of its complement with fibering surfaces of infinite genus.
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wild knot
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homogeneous point
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necklace of pearls
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Möbius transformation
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Kleinian group
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fibered knot
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