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Seminar
NUMBER M17006
AUTHOR Piergallini Riccardo, Zuddas Daniele
TITLE Branched coverings of CP^2 and other basic 4-manifolds
ARCHIVE 1707.03667
FILE cover-submanifolds-1.0.pdf
JOURNAL  
ABSTRACT We give necessary and sufficient conditions for a 4-manifold to be a branched covering of CP^2, S^2-bundles over S^2 and S^3 x S^1, which are expressed in terms of the Betti numbers and the intersection form of the 4-manifold.
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