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19992009
most citedOn the geometric genus of reducible surfaces and degenerations of surfaces to unions of planes

7 citations · 10 across the 7 of their papers we have counts for

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Showing 2004 · math.AGShow all

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math.AG2004

Even sets of four nodes on rational surfaces

Alberto Calabri, Ciro Ciliberto, Margarida Mendes Lopes

We describe smooth rational projective algebraic surfaces X, over an algebraically closed field of characteristic different from 2, having an even set of four disjoint (-2)-curves…