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arxiv: math/0412002 · v2 · submitted 2004-11-30 · 🧮 math.AG

Rational curves of degree 10 on a general quintic threefold

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keywords curvesdegreerationalgeneralquinticreducedtherethreefold
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We prove the "strong form" of the Clemens conjecture in degree 10. Namely, on a general quintic threefold F in P^4, there are only finitely many smooth rational curves of degree 10, and each curve is embedded in F with normal bundle O(-1)^2. Moreover, in degree 10, there are no singular, reduced, and irreducible rational curves, nor any reduced, reducible, and connected curves with rational components in F.

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