Positive Intermediate Ricci Curvature on Fibre Bundles

Fuente: arXiv
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Autori principali: Reiser, Philipp, Wraith, David J.
Natura: Preprint
Pubblicazione: 2022
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author Reiser, Philipp
Wraith, David J.
author_facet Reiser, Philipp
Wraith, David J.
contents We prove a canonical variation-type result for submersion metrics with positive intermediate Ricci curvatures. This can then be used in conjunction with surgery techniques to establish the existence of metrics with positive intermediate Ricci curvatures on a wide range of examples which had previously only been known to admit positive Ricci curvature, such as highly connected manifolds and exotic spheres. Further, we extend results of the second author on the moduli space of metrics with positive Ricci curvature to positive intermediate Ricci curvatures.
format Preprint
id arxiv_https___arxiv_org_abs_2211_14610
institution arXiv
publishDate 2022
record_format arxiv
spellingShingle Positive Intermediate Ricci Curvature on Fibre Bundles
Reiser, Philipp
Wraith, David J.
Differential Geometry
53C20
We prove a canonical variation-type result for submersion metrics with positive intermediate Ricci curvatures. This can then be used in conjunction with surgery techniques to establish the existence of metrics with positive intermediate Ricci curvatures on a wide range of examples which had previously only been known to admit positive Ricci curvature, such as highly connected manifolds and exotic spheres. Further, we extend results of the second author on the moduli space of metrics with positive Ricci curvature to positive intermediate Ricci curvatures.
title Positive Intermediate Ricci Curvature on Fibre Bundles
topic Differential Geometry
53C20
url https://arxiv.org/abs/2211.14610