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arxiv: 1611.07761 · v1 · pith:EATLHVGUnew · submitted 2016-11-23 · 🧮 math.DG

Riemannian Rigidity of the Parallel Postulate in Total Curvature

classification 🧮 math.DG
keywords curvatureparallelplanepostulateriemanniantotalconjugateeuclidean
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We prove that the Euclidean plane is the only Riemannian plane with total curvature and free of conjugate points that satisfies Playfair's version of the parallel postulate.

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