Branched covering surface-knots with degree three have the simplifying numbers less than three
نویسندگان
چکیده
منابع مشابه
Knots with Braid Index Three Have Property-p
We prove that knots with braid index three in the 3-sphere satisfy the Property P conjecture.
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Article history: Received 13 June 2008 Accepted 13 November 2008 Available online xxxx Submitted by R.A. Brualdi AMS classification: 05C50
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One method for obtaining every closed orientable 3-manifold is as a branched covering of S branched over a link. There are topological results along these lines that cannot be improved upon in two respects: (A), The minimum possible number of sheets in the covering is three; (B), There are individual knots and links (universal knots and links) that can serve as branch set for every 3-manifold, ...
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ژورنال
عنوان ژورنال: Topology and its Applications
سال: 2019
ISSN: 0166-8641
DOI: 10.1016/j.topol.2019.01.011