Branched coverings of $CP^2$ and other basic 4-manifolds
Autor: | Piergallini, Riccardo, Zuddas, Daniele |
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Rok vydání: | 2017 |
Předmět: | |
Druh dokumentu: | Working Paper |
DOI: | 10.1112/blms.12463 |
Popis: | We give necessary and sufficient conditions for a 4-manifold to be a branched covering of $CP^2$, $S^2\times S^2$, $S^2 \mathbin{\tilde\times} S^2$ and $S^3 \times S^1$, which are expressed in terms of the Betti numbers and the intersection form of the 4-manifold. Comment: 18 pages, 1 figure, 29 references |
Databáze: | arXiv |
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