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We consider the CR Yamabe flow on a compact strictly pseudoconvex CR manifold $M$ of real dimension $2n+1$. We prove convergence of the CR Yamabe flow when $n=1$ or $M$ is spherical.

Differential Geometry · Mathematics 2017-12-20 Pak Tung Ho , Weimin Sheng , Kunbo Wang

We combine the total variation flow suitable for crystal modeling and image analysis with the dynamic boundary conditions. We analyze the behavior of facets at the parts of the boundary where these conditions are imposed. We devote…

Analysis of PDEs · Mathematics 2019-01-23 Yoshikazu Giga , Ryota Nakayashiki , Piotr Rybka , Ken Shirakawa

We study the 3-dimensional combinatorial Yamabe flow in hyperbolic background geometry. For a triangulation of a 3-manifold, we prove that if the number of tetrahedra incident to each vertex is at least 23, then there exist real or virtual…

Differential Geometry · Mathematics 2018-05-29 Huabin Ge , Bobo Hua

For an embedded conformal hypersurface with boundary, we construct critical order local invariants and their canonically associated differential operators. These are obtained holographically in a construction that uses a singular Yamabe…

Differential Geometry · Mathematics 2019-06-06 Cesar Arias , A. Rod Gover , Andrew Waldron

We investigate the properties of the combinatorial Ricci flow for surfaces, both forward and backward -- existence, uniqueness and singularities formation. We show that the positive results that exist for the smooth Ricci flow also hold for…

Differential Geometry · Mathematics 2011-06-09 Emil Saucan

The fractional Yamabe problem, proposed by Gonz\'{a}lez-Qing (2013, Anal. PDE) is a geometric question which concerns the existence of metrics with constant fractional scalar curvature. It extends the phenomena which were discovered in the…

Analysis of PDEs · Mathematics 2015-02-09 Woocheol Choi , Seunghyeok Kim

In this paper, we prove the short-time existence of hyperbolic inverse (mean) curvature flow (with or without the specified forcing term) under the assumption that the initial compact smooth hypersurface of $\mathbb{R}^{n+1}$…

Differential Geometry · Mathematics 2020-10-16 Zhe Zhou , Chuan-Xi Wu , Jing Mao

In the above paper the authors treat the boundary layer flow along a stationary, vertical, permeable, flat plate within a vertical free stream. Fluid is sucked or injected through the vertical plate. The fluid species concentration at the…

Fluid Dynamics · Physics 2014-07-30 Asterios Pantokratoras

We prove some existence results for the fractional Yamabe problem in the case that the boundary manifold is umbilic, thus covering some of the cases not considered by Gonzalez and Qing. These are inspired by the work of Coda-Marques on the…

Analysis of PDEs · Mathematics 2015-03-11 Maria del Mar Gonzalez , Meng Wang

Generalized circle packings were introduced in \cite{Ba-Hu-Sun} as a generalization of tangential circle packings in hyperbolic background geometry. In this paper, we introduce the combinatorial Calabi flow, fractional combinatorial Calabi…

Differential Geometry · Mathematics 2023-09-19 Te Ba , Chao Zheng

We give a concrete description for the boundary of the central quadratic hyperbolic component. The connectedness of the Julia sets of the boundary maps are also considered.

Dynamical Systems · Mathematics 2024-11-14 Guizhen Cui , Wenjuan Peng

Let $(X, g^+)$ be an asymptotically hyperbolic manifold and $(M, [\hat{h}])$ its conformal infinity. Our primary aim in this paper is to introduce the prescribed fractional scalar curvature problem on $M$ and provide solutions under various…

Analysis of PDEs · Mathematics 2018-08-31 Seunghyeok Kim

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 consider the $H^{-m}$-gradient flow of length for closed plane curves. This flow is a generalization of curve diffusion flow. We investigate the large-time behavior assuming the global existence of the flow. Then we show that the…

Analysis of PDEs · Mathematics 2019-05-16 Kohei Nakamura

In this paper, we introduce a new constrained mean curvature type flow for capillary boundary hypersurfaces in space forms. We show the flow exists for all time and converges globally to a spherical cap. Moreover, the flow preserves the…

Differential Geometry · Mathematics 2024-09-02 Xinqun Mei , Liangjun Weng

We show that molecular dynamics simulations can furnish useful boundary conditions at a solid surface bounding a two-component fluid. In contrast to some previous reports, convective-diffusive flow is consistent with continuum equations…

Soft Condensed Matter · Physics 2009-11-07 Colin Denniston , Mark O. Robbins

We prove that for a convex polytope decomposition of a domain in $\mathbb R^n$, an integral curve of a piecewise analytic vector field is chopped by the decomposition into finitely many pieces. As a consequence, we prove the finiteness of…

Geometric Topology · Mathematics 2023-12-05 Tianqi Wu

We consider the mean curvature flow of compact convex surfaces in Euclidean $3$-space with free boundary lying on an arbitrary convex barrier surface with bounded geometry. When the initial surface is sufficiently convex, depending only on…

Analysis of PDEs · Mathematics 2020-01-07 Sven Hirsch , Martin Li

In this paper we investigate the one-dimensional hyperbolic mean curvature flow for closed plane curves. We show that there exists a class of initial velocities such that the solution of the corresponding initial value problem exists only…

Differential Geometry · Mathematics 2008-03-05 De-Xing Kong , Kefeng Liu , Zeng-Gui Wang

Dynamical systems on an infinite translation surface with the lattice property are studied. The geodesic flow on this surface is found to be recurrent in all but countably many rational directions. Hyperbolic elements of the affine…

Dynamical Systems · Mathematics 2008-02-04 W. Patrick Hooper
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