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arxiv: math/0602647 · v1 · submitted 2006-02-28 · 🧮 math.AG

Higher Fano manifolds and rational surfaces

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keywords fanomanifoldrationalsurfacescertaincurveshigherimplies
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For a Fano manifold of pseudo-index at least 3 and $c_1^2-2c_2$ nef, we show irreducibility of certain spaces of curves on the Fano manifold implies the manifold is a union of rational surfaces.

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