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We study the behaviour of the normalized K\"ahler-Ricci flow on complete K\"ahler manifolds of negative holomorphic sectional curvature. We show that the flow exists for all time and converges to a K\"ahler-Einstein metric of negative…

Differential Geometry · Mathematics 2018-05-10 Freid Tong

The self-similar solutions to the mean curvature flows have been defined and studied on the Euclidean space. In this paper we initiate a general treatment of the self-similar solutions to the mean curvature flows on Riemannian cone…

Differential Geometry · Mathematics 2012-06-11 Akito Futaki , Kota Hattori , Hikaru Yamamoto

We consider a motion of non-closed planar curves with infinite length. The motion is governed by a steepest descent flow for the geometric functional which consists of the sum of the length functional and the total squared curvature. We…

Analysis of PDEs · Mathematics 2013-06-07 Matteo Novaga , Shinya Okabe

In this paper, we consider a fully nonlinear problem on manifolds with boundaries of negative admissible curvatures. As a consequence, we conclude the existence of certain types of metrics on the general differential manifolds with…

Analysis of PDEs · Mathematics 2011-02-22 Aobing Li , Huan Zhu

This paper is devoted to the study of the constraint equations of the Lovelock gravity theories. In the case of an empty, compact, conformally flat, time-symmetric, and space-like manifold, we show that the Hamiltonian constraint equation…

Mathematical Physics · Physics 2018-07-11 Xavier Lachaume

We study the geometric flow of a planar curve driven by its curvature and the normal derivative of its capacity potential. Under a convexity condition that is natural to our problem, we establish long term existence and large time…

Analysis of PDEs · Mathematics 2017-10-16 Luis Caffarelli , Hui Yu

We present variational approximations of boundary value problems for curvature flow (curve shortening flow) and elastic flow (curve straightening flow) in two-dimensional Riemannian manifolds that are conformally flat. For the evolving open…

Numerical Analysis · Mathematics 2021-11-03 Harald Garcke , Robert Nürnberg

Two-dimensional free-surface potential flows of an ideal fluid over a strongly inhomogeneous bottom are investigated with the help of conformal mappings. Weakly-nonlinear and exact nonlinear equations of motion are derived by the…

Fluid Dynamics · Physics 2016-09-08 V. P. Ruban

We establish continuous maximal regularity results for parabolic differential operators acting on sections of tensor bundles on Riemannian manifolds. As an application, we show that solutions to the Yamabe flow instantaneously regularize…

Analysis of PDEs · Mathematics 2016-09-29 Yuanzhen Shao , Gieri Simonett

It is shown that time-harmonic hypersurface motions in various, conformally flat, N-dimensional manifolds admit a multilinear description, dL/dt={ L, M_1, ... , M_{N-2} }, automatically generating infinitely many conserved quantities, as…

High Energy Physics - Theory · Physics 2010-04-06 Jens Hoppe

In this paper we extend Hardy-Littlewood-Sobolev inequalities on compact Riemannian manifolds for dimension $n\ne 2$. As one application, we solve a generalized Yamabe problem on locally conforamlly flat manifolds via a new designed energy…

Analysis of PDEs · Mathematics 2016-11-23 Yazhou Han , Meijun Zhu

Cavity flow problems in two dimensions, as well as in the axially symmetric three-dimensional case, have been extensively studied in the literature from a qualitative perspective. While numerous results exist concerning minimizers or stable…

Analysis of PDEs · Mathematics 2025-09-03 Masoud Bayrami , Morteza Fotouhi , Parisa Vosooqnejad

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…

Differential Geometry · Mathematics 2021-08-25 Mattia Pujia , Luis Ugarte

In this paper, we propose a new numerical scheme for a spatially discrete model of constrained total variation flows, which are total variation flows whose values are constrained in a Riemannian manifold. The difficulty of this problem is…

Analysis of PDEs · Mathematics 2020-05-05 Yoshikazu Giga , Koya Sakakibara , Kazutoshi Taguchi , Masaaki Uesaka

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…

Differential Geometry · Mathematics 2019-04-09 Albert Chau , Man-Chun Lee

We adapt the Halperin-Mazenko formalism to analyze two-dimensional active nematics coupled to a generic fluid flow. The governing hydrodynamic equations lead to evolution laws for nematic topological defects and their corresponding density…

Soft Condensed Matter · Physics 2021-05-11 Luiza Angheluta , Zhitao Chen , M. Cristina Marchetti , Mark J. Bowick

We formulate a uniqueness conjecture for curve shortening flow of proper curves on certain symmetric surfaces and give an example of a non-flat metric on the plane with respect to which curve shortening flow is not unique. That is, with…

Differential Geometry · Mathematics 2022-05-10 Luke Thomas Peachey

We prove estimates and existence results for some fully nonlinear elliptic equations on Riemannian manifolds. These equations are not arbitrary, but arise naturally in the study of conformal geometry.

Differential Geometry · Mathematics 2009-08-26 Jeff Viaclovsky

In this paper, we establish a framework for the analysis of linear parabolic equations on conical surfaces and use them to study the conical Ricci flow. In particular, we prove the long time existence of the conical Ricci flow for general…

Analysis of PDEs · Mathematics 2016-05-31 Hao Yin

We prove an optimal control on the time-dependent measure of a measurable set under a reparametrized Lagrangian mean curvature flow of almost calibrated submanifolds in a Calabi-Yau manifold. Moreover we give a classification of those…

Differential Geometry · Mathematics 2018-01-24 Knut Smoczyk
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