We use elementary arguments to prove that none of the Stein rational homology 4-balls shown by the authors and Brendan Owens to embed smoothly but not symplectically in the complex projective plane admit such almost complex embeddings. In particular, we are able to show that those rational balls admit no symplectic embeddings in the complex projective plane without appealing to the work of Evans-Smith.
On almost complex embeddings of rational homology balls
Paolo Lisca;Andrea Parma
2020-01-01
Abstract
We use elementary arguments to prove that none of the Stein rational homology 4-balls shown by the authors and Brendan Owens to embed smoothly but not symplectically in the complex projective plane admit such almost complex embeddings. In particular, we are able to show that those rational balls admit no symplectic embeddings in the complex projective plane without appealing to the work of Evans-Smith.File in questo prodotto:
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