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arxiv: 1106.0124 · v1 · pith:ANI5G67Unew · submitted 2011-06-01 · 🧮 math.AG

Varieties Connected by Chains of Lines

classification 🧮 math.AG
keywords criterionlineschainchainsconnecteddefiningdegreesensuring
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In this paper we give for any integer l > 2 a numerical criterion ensuring the existence of a chain of length l of lines through two general points of an irreducible variety X in P^N, involving the degrees and the number of homogeneous polynomials defining X. We show that our criterion is sharp.

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