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数学物理 · 物理学 2010-01-27 Alexander N. Jourjine

The second author has shown that existence of extremal K\"ahler metrics on semisimple principal toric fibrations is equivalent to a notion of weighted uniform K-stability, read off from the moment polytope. The purpose of this article is to…

微分几何 · 数学 2024-06-05 Thibaut Delcroix , Simon Jubert

We survey some $L^{p}$-vanishing results for solutions of Bochner or Simons type equations with refined Kato inequalities, under spectral assumptions on the relevant Schr\"{o}dinger operators. New aspects are included in the picture. In…

微分几何 · 数学 2011-06-07 Stefano Pigola , Giona Veronelli

In an earlier work, we investigated some consequences of the existence of a K\"ahler metric of negative holomorphic sectional curvature on a projective manifold. In the present work, we extend our results to the case of semi-negative (i.e.,…

代数几何 · 数学 2015-06-10 Gordon Heier , Steven S. Y. Lu , Bun Wong

Motivated by a recent work of Chen-Zheng [8] on Strominger space forms, we prove that a compact Hermitian surface with pointwise constant holomorphic sectional curvature with respect to a Gauduchon connection $\nabla^t $ is either K\"ahler,…

微分几何 · 数学 2022-02-15 Haojie Chen , Xiaolan Nie

We survey some recent developments in the study of canonical K\"{a}hler metrics on algebraic varieties and their relation with stability in algebraic geometry.

微分几何 · 数学 2022-07-07 Chi Li

This paper has been withdrawn since it contains some discrepancy with othe authers's recent result. We will not post this until this discrepancy is resolved.

经典分析与常微分方程 · 数学 2007-07-24 Yong Kum Cho , Sunggeum Hong , Joonil Kim , Chan Woo Yang

This manuscript presents an attempt to introduce Lagrangian formalism for mechanical systems using para-quaternionic Kahler manifolds, which represent an interesting multidisciplinary field of research. In addition to, the…

综合数学 · 数学 2012-09-26 Zeki Kasap , Mehmet Tekkoyun

Special class of Finsler metrics that can be decomposed to the product of two Riemannian metrics is considered. Based on such decomposition a new kind of Finsler gravity is suggested. Physical applications of Finsler decomposed metric are…

广义相对论与量子宇宙学 · 物理学 2013-03-06 Ascar K. Aringazin , Vladimir Dzhunushaliev

This paper has been withdrawn by the author(s), due to double submission. You can find it under: physics/0208019

数据分析、统计与概率 · 物理学 2007-05-23 Armin Bunde , Jan F. Eichner , Rathinaswamy Govindan , Shlomo Havlin , Eva Koscielny-Bunde , Diego Rybski , Dmitry Vjushin

In this paper, a class of holomorphic invariant metrics is introduced on the irreducible classical domains of type I-IV, which are strongly pseudoconvex complex Finsler metrics in the strict sense of M. Abate and G. Patrizio[2]. These…

微分几何 · 数学 2023-04-11 Xiaoshu Ge , Chunping Zhong

Withdrawn paper because the results are recycled in several other papers and a new definition of T-homotopy is proposed in math.AT/0505152.

代数拓扑 · 数学 2007-05-23 Philippe Gaucher

On a K\"ahler manifold we consider the problems of maximizing/minimizing Monge--Amp\`ere energy over certain subsets of the space of K\"ahler potentials. Under suitable assumptions we prove that solutions to these variational problems…

复变函数 · 数学 2024-05-03 Laszlo Lempert

We review recent contributions on nonlinear Dirichlet forms. Then, we specialise to the case of 2-homogeneous and local forms. Inspired by the theory of Finsler manifolds and metric measure spaces, we establish new properties of such…

泛函分析 · 数学 2023-09-04 Giovanni Brigati

We construct model hyper-K\"ahler geometries that include and generalize the multi-Ooguri-Vafa model using the formalism of Gaitto, Moore, and Neitzke. This is the first paper in a series of papers making rigorous Gaiotto--Moore--Neitzke's…

微分几何 · 数学 2025-01-06 Laura Fredrickson , Max Zimet

We show the existence of strictly almost-Kahler anti-self-dual metrics on certain 4-manifolds by deforming scalar-flat Kahler metrics. On the other hand, we prove the non-existence of such metrics on certain other 4-manifolds by means of…

微分几何 · 数学 2015-11-25 Inyoung Kim

In this paper we address the problem of studying those complex manifolds $M$ equipped with extremal metrics $g$ induced by finite or infinite dimensional complex space forms. We prove that when $g$ is assumed to be radial and the ambient…

微分几何 · 数学 2020-06-04 Andrea Loi , Filippo Salis , Fabio Zuddas

Motivated by the results of B. Berndtsson, in this memoir we use the new estimates developed by W. He to extend a theorem of the second author on the existence of weak $C^{1,1}$ geodesics between two smooth non-degenerate K\"ahler…

微分几何 · 数学 2013-11-04 S. Ali Aleyasin , Xiuxiong Chen

This paper presents two results in the realm of conformal Kaehler submanifolds. These are conformal immersions of Kaehler manifolds into the standard flat Euclidean space. The proofs are obtained by making a rather strong use of several…

微分几何 · 数学 2024-05-17 L. J. Alías , S. Chion , M. Dajczer

In complex Finsler geometry, an open problem is: does there exist a weakly K\"ahler Finsler metric which is not K\"ahler? In this paper, we give an affirmative answer to this open problem. More precisely, we construct a family of the weakly…

微分几何 · 数学 2021-03-01 Ningwei Cui , Jinhua Guo , Linfeng Zhou