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Bandwidth and focal radius with positive isotropic curvature

Differential Geometry 2024-05-31 v1 Geometric Topology

Abstract

This paper investigates quantitative metric inequalities for manifolds with positive isotropic curvature (PIC). Our results include upper bounds on the bandwidth and focal radius of hypersurfaces in PIC manifolds, contingent on boundary convexities and Betti numbers. The proof is based on exploiting the spectral properties of a twisted de Rham-Hodge operator on manifolds with boundary.

Keywords

Cite

@article{arxiv.2405.20129,
  title  = {Bandwidth and focal radius with positive isotropic curvature},
  author = {Tsz-Kiu Aaron Chow and Jingze Zhu},
  journal= {arXiv preprint arXiv:2405.20129},
  year   = {2024}
}

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44 pages, comments are welcome!