Gromov's Sobolev-type stability conjecture for almost nonnegative scalar curvature

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Let XX be an nn-manifold with Riemannian metric gg, and let RgR_g denote its scalar curvature. A Sobolev-type weak metric is a weak metric on the space of nn-manifolds. Gromov's conjecture. There is a particular Sobolev-type weak metric such that, for example, tori (X,g)(X,g) with Rg≥−ϵR_g\geq -\epsilon, when properly normalized, (sub)converge to flat tori as ϵ→0\epsilon\to 0, although these XX may in general diverge in stronger metrics. This conjecture formulates a stability problem for the rigidity of tori with nonnegative scalar curvature; the supplied text gives no resolution, so its status remains open.

References

Primary source

Armando J. Cabrera Pacheco, Christian Ketterer and Raquel Perales, “Stability of graphical tori with almost nonnegative scalar curvature”, arXiv:1902.03458 (2020).

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