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arxiv: 1707.00928 · v3 · pith:UBROZKBNnew · submitted 2017-07-04 · 🧮 math.GT

Equivariant embeddings of rational homology balls

classification 🧮 math.GT
keywords theoremsballsembeddingshomologyrationalballboundedbranched
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We generalise theorems of Khodorovskiy and Park-Park-Shin, and give new topological proofs of those theorems, using embedded surfaces in the 4-ball and branched double covers. These theorems exhibit smooth codimension-zero embeddings of certain rational homology balls bounded by lens spaces.

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