On ratios of Chern numbers for complex hyperbolic branched covers

In this paper we prove that, at least in even complex dimensions, the ratio of Chern numbers for a closed complex hyperbolic branched cover manifold are not all equal to the corresponding ratio of Chern numbers for a closed complex hyperbolic manifold. This leads to an answer for a question posed by Deraux and Seshadri, and proves that an almost $1/4$-pinched metric constructed by the author in a previous article is not Kähler.

Publication Details

Journal
ArXiv.org
Published
2025-05-23
Primary Topic
Geometric and Algebraic Topology
Type
article
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article

On ratios of Chern numbers for complex hyperbolic branched covers

ArXiv.org
Geometric and Algebraic Topology
article

On ratios of Chern numbers for complex hyperbolic branched covers

article en

Abstract

In this paper we prove that, at least in even complex dimensions, the ratio of Chern numbers for a closed complex hyperbolic branched cover manifold are not all equal to the corresponding ratio of Chern numbers for a closed complex hyperbolic manifold. This leads to an answer for a question posed by Deraux and Seshadri, and proves that an almost $1/4$-pinched metric constructed by the author in a previous article is not Kähler.

ArXiv.org
Openalex Percentile: Top 45%
Geometric and Algebraic Topology
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On ratios of Chern numbers for complex hyperbolic branched covers · ArXiv.org (2025) | TGRS Research Map | TGRS