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An $F$-manifold is complex manifold with a multiplication on the holomorphic tangent bundle with a certain integrability condition. Important examples are Frobenius manifolds and especially base spaces of universal unfoldings of isolated…

Differential Geometry · Mathematics 2016-06-22 Liana David , Claus Hertling

We establish a lower estimate for the Kobayashi-Royden infinitesimal pseudometric on an almost complex manifold $(M,J)$ admitting a bounded strictly plurisubharmonic function. We apply this result to study the boundary behaviour of the…

Complex Variables · Mathematics 2007-05-23 H. Gaussier , A. Sukhov

In this paper we study the global geometry of the Kobayashi metric on domains in complex Euclidean space. We are particularly interested in developing necessary and sufficient conditions for the Kobayashi metric to be Gromov hyperbolic. For…

Complex Variables · Mathematics 2016-02-04 Andrew M. Zimmer

Although the hyperbolic metric possesses many remarkable properties, it is not defined on arbitrary subdomains of $\mathbb{R}^n$ with $n \geq 2$. This article introduces a new hyperbolic-type metric that provides an alternative approach to…

Metric Geometry · Mathematics 2025-08-01 Bibekananda Maji , Pritam Naskar , Swadesh Kumar Sahoo

A natural metric on the space of all almost hermitian structures on a given manifold is investigated.

Differential Geometry · Mathematics 2008-02-03 Olga Gil-Medrano , Peter W. Michor

In this paper we give an local estimate for the Kobayashi distance on a bounded convex domain of finite type, which relates to a local pseudodistance near the boundary. The estimate is precise up to a bounded additive term. Also we conclude…

Complex Variables · Mathematics 2022-11-22 Hongyu Wang

We introduce an analog of the Kobayashi-Royden metric on a Riemannian manifold and study its basic properties.

Complex Variables · Mathematics 2023-07-13 Hervé Gaussier , Alexandre Sukhov

In this article we study the injective Kobayashi metric on complex surfaces.

Complex Variables · Mathematics 2020-10-07 John Erik Fornaess , Maria Trybula , Erlend Fornaess Wold

The Hilbert metric on convex subsets of $\mathbb R^n$ has proven a rich notion and has been extensively studied. We propose here a generalization of this metric to subset of complex projective spaces and give examples of applications to…

Metric Geometry · Mathematics 2022-03-25 Elisha Falbel , Antonin Guilloux , Pierre Will

We study some basic properties and examples of Hermitian metrics on complex manifolds whose traces of the curvature of the Chern connection are proportional to the metric itself.

Differential Geometry · Mathematics 2020-07-22 Daniele Angella , Simone Calamai , Cristiano Spotti

We prove that every bounded strictly $J$-convex region equipped with the Kobayashi metric is hyperbolic in the sense of Gromov. We apply this result to the study of the dynamics of pseudo-holomorphic maps.

Complex Variables · Mathematics 2012-10-19 Léa Blanc-Centi

Let $(M, \partial M)$ be a compact 3-manifold with boundary, which admits a convex co-compact hyperbolic metric. We consider the hyperbolic metrics on $M$ such that the boundary is smooth and strictly convex. We show that the induced…

Differential Geometry · Mathematics 2015-06-26 Jean-Marc Schlenker

We survey the properties of Brody and Kobayashi hyperbolic manifolds.

Algebraic Geometry · Mathematics 2007-05-23 Izzet Coskun

We explore complex Riemannian geometry and Hermitian metrics on complex algebraic varieties and analytic spaces, respectively. In particular, we introduce Hermitian metrics on holomorphic Lie algebroids and examine the associated…

Differential Geometry · Mathematics 2025-12-29 Abhishek Sarkar

Let $(M, \partial M)$ be a compact 3-manifold with boundary which admits a complete, convex co-compact hyperbolic metric. For each hyperbolic metric $g$ on $M$ such that $\dr M$ is smooth and strictly convex, the induced metric on $\dr M$…

Geometric Topology · Mathematics 2007-05-23 Jean-Marc Schlenker

We prove a very general Kobayashi-Hitchin correspondence on arbitrary compact Hermitian manifolds. This correspondence refers to moduli spaces of "universal holomorphic oriented pairs". Most of the classical moduli problems in complex…

Differential Geometry · Mathematics 2007-05-23 Martin Lubke , Andrei Teleman

Dans cet article, on donne une caracterisation des retractes holomorphes a l'aide de la metrique infinitesimale de Kobayashi ----- This article gives a characterization of holomorphic retractions using Kobayashi's infinitesimal metric.

Complex Variables · Mathematics 2008-07-11 Jean-Pierre Vigue

Building from ideas of hypercomplex analysis on the quaternionic unit ball, we introduce Hermitian, Riemannian and K\"ahler-like structures on the latter. These are built from the so-called regular M\"obius transformations. Such geometric…

Complex Variables · Mathematics 2024-07-26 Raul Quiroga-Barranco

In this paper we study warped-product metrics on manifolds of the form $X \setminus Y$, where $X$ denotes either $\mathbb{H}^n$ or $\mathbb{C} \mathbb{H}^n$, and $Y$ is a totally geodesic submanifold with arbitrary codimension. The main…

Differential Geometry · Mathematics 2025-09-24 Barry Minemyer

We show that a singular Hermitian metric on a holomorphic vector bundle over a Stein manifold which is negative in the sense of Griffiths (resp. Nakano) can be approximated by a sequence of smooth Hermitian metrics with the same curvature…

Complex Variables · Mathematics 2023-09-12 Fusheng Deng , Jiafu Ning , Zhiwei Wang , Xiangyu Zhou
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