Stable norms of non-orientable surfaces
classification
🧮 math.DG
math.DS
keywords
stablenormfirstmetricnon-orientablesurfacebetticlass
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We study the stable norm on the first homology of a closed, non-orientable surface equipped with a Riemannian metric. We prove that in every conformal class there exists a metric whose stable norm is polyhedral. Furthermore the stable norm is never strictly convex if the first Betti number of the surface is greater than two.
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