arXiv · 1809.08689
A min-max characterization of Zoll Riemannian metrics
Abstract
We characterize the Zoll Riemannian metrics on a given simply connected spin closed manifold as those Riemannian metrics for which two suitable min-max values in a finite dimensional loop space coincide. We also show that on odd dimensional Riemannian spheres, when certain pairs of min-max values in the loop space coincide, every point lies on a closed geodesic.
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Marco Mazzucchelli, Stefan Suhr. 2018-09-23. A min-max characterization of Zoll Riemannian metrics. https://doi.org/10.1017/s0305004121000311
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