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相关论文: A flow of conformally balanced metrics with K\"ahl…

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We prove that the parabolic flow of conformally balanced metrics introduced by Phong, Picard and Zhang in "A flow of conformally balanced metrics with K\"ahler fixed points", is stable around Calabi-Yau metrics. The result shows that the…

微分几何 · 数学 2022-09-05 Lucio Bedulli , Luigi Vezzoni

This is a survey of some of the recent developments on the geometric and analytic aspects of the Anomaly flow. It is a flow of $(2,2)$-forms on a $3$-fold which was originally motivated by string theory and the need to preserve the…

微分几何 · 数学 2018-07-10 Duong H. Phong , Sebastien Picard , Xiangwen Zhang

A new formulation of the Anomaly flow in the case of vanishing slope parameter is given, where the dependence on the global section of the canonical bundle appears only in the initial data. This allows a natural unification of the Anomaly…

微分几何 · 数学 2020-11-10 Teng Fei , Duong H. Phong

The Anomaly flow is a flow which implements the Green-Schwarz anomaly cancellation mechanism originating from superstring theory, while preserving the conformally balanced condition of Hermitian metrics. There are several versions of the…

微分几何 · 数学 2018-03-14 Duong H. Phong , Sebastien Picard , Xiangwen Zhang

We study the Hull-Strominger system and the Anomaly flow on a special class of 2-step solvmanifolds, namely the class of almost-abelian Lie groups. In this setting, we characterize the existence of invariant solutions to the Hull-Strominger…

微分几何 · 数学 2021-08-31 Mattia Pujia

It is shown that bounds of all orders of derivative would follow from uniform bounds for the metric and the torsion 1-form, for a flow in non-K\"ahler geometry which can be interpreted as either a flow for the Type IIB string or the Anomaly…

微分几何 · 数学 2020-05-01 Teng Fei , Duong H. Phong , Sebastien Picard , Xiangwen Zhang

The Anomaly flow is shown to converge on toric fibrations with the Fu-Yau ansatz, for both positive and negative values of the slope parameter $\alpha'$. This implies both results of Fu and Yau on the existence of solutions for…

微分几何 · 数学 2018-03-28 Duong H. Phong , Sebastien Picard , Xiangwen Zhang

This is a survey on the Strominger system and a geometric flow known as the anomaly flow. We will discuss various aspects of non-K\"ahler geometry on Calabi-Yau threefolds. Along the way, we discuss balanced metrics and balanced classes,…

微分几何 · 数学 2025-07-11 Sébastien Picard

In this paper, we introduce a new parabolic equation on K\"ahler manifolds. The static point of this flow is related to the existence of a lower bound of the Mabuchi energy. In this paper, we prove the flow always exists for all times for…

微分几何 · 数学 2007-05-23 Xiuxiong Chen

Anomaly, a generic feature of relativistic quantum field theory, is shown to be present in non-relativistic classical ideal fluid. A new result is the presence of anomalous terms in current algebra, an obvious analogue of Schwinger terms…

高能物理 - 理论 · 物理学 2022-08-02 Arpan Krishna Mitra , Subir Ghosh

A geometric flow on $(2,2)$-forms is introduced which preserves the balanced condition of metrics, and whose stationary points satisfy the anomaly equation in Strominger systems. The existence of solutions for a short time is established,…

微分几何 · 数学 2017-04-11 Duong H. Phong , Sebastien Picard , Xiangwen Zhang

In this paper, we study a class of fully nonlinear metric flow on K\"ahler manifolds, which includes the J-flow as a special case. We provide a sufficient and necessary condition for the long time convergence of the flow, generalizing the…

微分几何 · 数学 2010-02-24 Hao Fang , Mijia Lai , Xinan Ma

We study the Anomaly flow on $2$-step nilmanifolds with respect to any Hermitian connection in the Gauduchon line. In the case of flat holomorphic bundle, the general solution to the Anomaly flow is given for any initial invariant Hermitian…

微分几何 · 数学 2021-08-25 Mattia Pujia , Luis Ugarte

We study the convergence behavior of the general inverse $\sigma_k$-flow on K\"{a}hler manifolds with initial metrics satisfying the Calabi Ansatz. The limiting metrics can be either smooth or singular. In the latter case, interesting conic…

微分几何 · 数学 2012-03-26 Hao Fang , Mijia Lai

We study the geodesic flow on the normal line congruence of a minimal surface in ${\Bbb{R}}^3$ induced by the neutral K\"ahler metric on the space of oriented lines. The metric is lorentz with isolated degenerate points and the flow is…

微分几何 · 数学 2021-11-15 Brendan Guilfoyle , Wilhelm Klingenberg

We study a fully nonlinear flow for conformal metrics. The long-time existence and the sequential convergence of flow are established for locally conformally flat manifolds. As an application, we solve the $\sk$-Yamabe problem for locally…

微分几何 · 数学 2007-05-23 Pengfei Guan , Guofang Wang

This paper is devoted to the investigation of gradient flows in asymmetric metric spaces (for example, irreversible Finsler manifolds and Minkowski normed spaces) by means of discrete approximation. We study basic properties of curves and…

微分几何 · 数学 2023-07-21 Shin-ichi Ohta , Wei Zhao

We produce complete bounded curvature solutions to K\"ahler-Ricci flow with existence time estimates, assuming only that the initial data is a smooth \K metric uniformly equivalent to another complete bounded curvature \K metric. We obtain…

微分几何 · 数学 2019-04-09 Albert Chau , Man-Chun Lee

We study the regularizing properties of complex Monge-Amp\`ere flows on a K\"ahler manifold $(X,\omega)$ when the initial data are $\omega$-psh functions with zero Lelong number at all points. We prove that the general Monge-Amp\`ere flow…

复变函数 · 数学 2020-01-10 Tat Dat Tô

Let $X$ be a compact K\"ahler manifold. We show that the K\"ahler-Ricci flow (as well as its twisted versions) can be run from an arbitrary positive closed current with zero Lelong numbers and immediately smoothes it.

复变函数 · 数学 2013-06-19 Vincent Guedj , Ahmed Zeriahi
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