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arxiv: 1111.2963 · v3 · pith:A7O2WHHNnew · submitted 2011-11-12 · 🧮 math.AG

Homogeneous Fibrations over Curves

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keywords homogeneousrationalcurvesprojectiveadmitsalgebraicapplicationconnectedness
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By studying the theory of rational curves, we introduce a notion of rational simple connectedness for projective homogeneous spaces. As an application, we prove that over a function field of an algebraic surface, a projective homogeneous space admits a rational point if the elementary obstruction vanishes.

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