Type: Article
Publication Date: 2019-12-13
Citations: 2
DOI: https://doi.org/10.1142/s0218216520500017
We consider embeddings of 3-manifolds in $S^4$ such that each of the two complementary regions has an abelian fundamental group. In particular, we show that an homology handle $M$ has such an embedding if and only if $\pi_1(M)'$ is perfect, and that the embedding is then essentially unique.