#### Volume 18, issue 1 (2018)

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An infinite family of links with critical bridge spheres

### Daniel Rodman

Algebraic & Geometric Topology 18 (2018) 153–186
##### Abstract

A closed orientable splitting surface in an oriented 3–manifold is a topologically minimal surface of index $n$ if its associated disk complex is $\left(n-2\right)$–connected but not $\left(n-1\right)$–connected. A critical surface is a topologically minimal surface of index  2. In this paper, we use an equivalent combinatorial definition of critical surfaces to construct the first known critical bridge spheres for nontrivial links.

##### Keywords
bridge sphere, link, topologically minimal, critical, plat position
Primary: 57M25