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We define harmonic maps between sub-Riemannian manifolds by generalizing known definitions for Riemannian manifolds. We establish conditions for when a horizontal map into a Lie group with a left-invariant metric structure is a harmonic…

微分几何 · 数学 2023-08-23 Erlend Grong , Irina Markina

In this paper, we introduce metallic maps between metallic Riemannian manifolds, provide an example and obtain certain conditions for such maps to be totally geodesic. We also give a sufficient condition for a map between metallic…

微分几何 · 数学 2020-03-10 Mehmet Akif Akyol

Harmonic morphisms are maps between Riemannian manifolds that pull back harmonic functions to harmonic functions. These maps are characterized as horizontally weakly conformal harmonic maps and they have many interesting links and…

微分几何 · 数学 2017-12-12 Elsa Ghandour , Ye-Lin Ou

A Lie group $G$ endowed with a left invariant Riemannian metric $g$ is called Riemannian Lie group. Harmonic and biharmonic maps between Riemannian manifolds is an important area of investigation. In this paper, we study different aspects…

微分几何 · 数学 2014-12-17 Mohamed Boucetta , Seddik Ouakkas

In this article we introduce a natural extension of the well-studied equation for harmonic maps between Riemannian manifolds by assuming that the target manifold is equipped with a connection that is metric but has non-vanishing torsion.…

微分几何 · 数学 2021-07-05 Volker Branding

In the previous paper [GLM2018], we showed that the theory of harmonic maps between Riemannian manifolds may be discretized by introducing triangulations with vertex and edge weights on the domain manifold. In the present paper, we study…

微分几何 · 数学 2020-01-22 Jonah Gaster , Brice Loustau , Léonard Monsaingeon

In this paper we prove a compactness theorem for a sequence of harmonic maps which are defined on a converging sequence of Riemannian manifolds.

微分几何 · 数学 2014-12-02 Zahra Sinaei

Harmonic maps are nonlinear extensions of harmonic functions. They are critical points of natural energy functionals between Riemannian manifolds. Such type of problems appear in Physics, Geometry of Finance and the study of regularity and…

偏微分方程分析 · 数学 2023-03-27 Wei Wang

We continue our study [Ou4] of f-biharmonic maps and f-biharmonic submanifolds by exploring the applications of f-biharmonic maps and the relationships among biharmonicity, f-biharmonicity and conformality of maps between Riemannian…

微分几何 · 数学 2016-05-03 Ye-Lin Ou

Both bi-harmonic map and $f$-harmonic map have nice physical motivation and applications. In this paper, by combination of these two harmonic maps, we introduce and study $f$-bi-harmonic maps as the critical points of the $f$-bi-energy…

微分几何 · 数学 2015-03-20 Wei-Jun Lu

We study biharmonic maps between Riemannian manifolds with finite energy and finite bi-energy. We show that if the domain is complete and the target of non-positive curvature, then such a map is harmonic. We then give applications to…

微分几何 · 数学 2012-10-02 Nobumitsu Nakauchi , Hajime Urakawa , Sigmundur Gudmundsson

We describe for any Riemannian manifold a certain infinitesimal neighbourhood of the diagonal. Semi-conformal maps are analyzed as those that preserve such neighbourhoods; harmonic maps are analyzed as those that preserve mirror image…

微分几何 · 数学 2007-05-23 Anders Kock

In the present paper, we study harmonic mappings of complete Riemannian manifolds, as well as minimal and stable minimal submanifolds of complete Riemannian manifolds. We examine classical theorems in the theory of these manifolds from the…

微分几何 · 数学 2025-03-12 Sergey Stepanov , Irina Tsyganok

In this short survey we report on the theory of biharmonic maps between Riemannian manifolds.

微分几何 · 数学 2007-05-23 Stefano Montaldo , Cezar Oniciuc

Characterizations for Riemannian submersions to be harmonic or biharmonic are shown. Examples of biharmonic but not harmonic Riemannian submersions are shown.

微分几何 · 数学 2018-10-01 Hajime Urakawa

We introduce holomorphic Riemannian maps between almost Hermitian manifolds as a generalization of holomorphic submanifolds and holomorphic submersions, give examples and obtain a geometric characterization of harmonic holomorphic…

微分几何 · 数学 2014-02-25 Bayram Sahin

We study the transversally harmonic maps between foliated Riemannian manifolds. In particular, we prove that under some curvature conditions, any transversally harmonic map is transversally totally geodesic.

微分几何 · 数学 2011-09-20 Min Joo Jung , Seoung Dal Jung

Harmonic morphisms, maps which preserve Laplace's equation, are intimately connected to the topic of minimal submanifolds. In this article we first characterise harmonic morphisms between Riemannian manifolds as the weakly horizontally…

微分几何 · 数学 2026-03-03 Oskar Riedler

This note reviews some of the recent work on biharmonic conformal maps (see \cite{OC}, Chapter 11, for a detailed survey). It will be focused on biharmonic conformal immersions and biharmonic conformal maps between manifolds of the same…

微分几何 · 数学 2019-09-12 Ye-Lin Ou

f-Harmonic maps were first introduced and studied by Lichnerowicz in \cite{Li} (see also Section 10.20 in Eells-Lemaire's report \cite{EL}). In this paper, we study a subclass of f-harmonic maps called f-harmonic morphisms which pull back…

微分几何 · 数学 2011-03-30 Ye-Lin Ou
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