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Search: MSC category 57N10 ( Topology of general $3$-manifolds [See also 57Mxx] )

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1. CMB 1999 (vol 42 pp. 257)

Austin, David; Rolfsen, Dale
 Homotopy of Knots and the Alexander Polynomial Any knot in a 3-dimensional homology sphere is homotopic to a knot with trivial Alexander polynomial. Categories:57N10, 57M05, 57M25, 57N65

2. CMB 1997 (vol 40 pp. 370)

Rolfsen, Dale; Zhongmou, Li
 Which $3$-manifolds embed in $\Triod \times I \times I$? We classify the compact $3$-manifolds whose boundary is a union of $2$-spheres, and which embed in $T \times I \times I$, where $T$ is a triod and $I$ the unit interval. This class is described explicitly as the set of punctured handlebodies. We also show that any $3$-manifold in $T \times I \times I$ embeds in a punctured handlebody. Categories:57N10, 57N35, 57Q35