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Conway Products and links with multiple bridge surfaces
Journal article   Open access  Peer reviewed

Conway Products and links with multiple bridge surfaces

Martin Scharlemann and Maggy Tomova
The Michigan mathematical journal, Vol.56(1), pp.113-144
2008
DOI: 10.1307/mmj/1213972401
url
https://doi.org/10.1307/mmj/1213972401View
Published (Version of record) Open Access

Abstract

Suppose a link K in a 3-manifold M is in bridge position with respect to two different bridge surfaces P and Q, both of which are c-weakly incompressible in the complement of K. Then either P and Q can be properly isotoped to intersect in a nonempty collection of curves that are essential (including non-meridional) on both surfaces, or K is a Conway product with respect to an incompressible Conway sphere that naturally decomposes both P and Q into bridge surfaces for the respective factor link(s).

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