## The groups of fibred 2-knots

### Jonathan A.Hillman

#### Abstract

We explore algebraic characterizations of 2-knots whose associated knot manifolds fibre over lower-dimensional orbifolds, and consider also some issues related to the groups of higher-dimensional fibred knots.

Keywords: cohomological dimension. fibred knot. finitely presentable. $n$-knot group. orbifold bundle.

: Primary 57Q45.

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 Monday, April 26, 2010