English
Related papers

Related papers: Existence and uniqueness for planar anisotropic an…

200 papers

We prove short-time existence of {\phi}-regular solutions to the anisotropic and crystalline curvature flow of immersed planar curves.

Analysis of PDEs · Mathematics 2017-05-04 Gwenael Mercier , Matteo Novaga , Paola Pozzi

An existence and uniqueness result, up to fattening, for crystalline mean curvature flows with forcing and arbitrary (convex) mobilities, is proven. This is achieved by introducing a new notion of solution to the corresponding level set…

Analysis of PDEs · Mathematics 2017-02-13 Antonin Chambolle , Massimiliano Morini , Matteo Novaga , Marcello Ponsiglione

We prove existence and uniqueness of weak solutions to anisotropic and crystalline mean curvature flows, obtained as limit of the viscosity solutions to flows with smooth anisotropies.

Numerical Analysis · Mathematics 2018-10-17 Antonin Chambolle , Massimiliano Morini , Matteo Novaga , Marcello Ponsiglione

We consider the geometric evolution of a network in the plane, flowing by anisotropic curvature. We discuss local existence of a classical solution in the presence of several smooth anisotropies. Next, we discuss some aspects of the…

Differential Geometry · Mathematics 2023-04-27 Giovanni Bellettini , Shokhrukh Yu. Kholmatov

Given a planar crystalline anisotropy, we study the crystalline elastic flow of immersed polygonal curves, possibly also unbounded. Assuming that the segments evolve by parallel translation (as it happens in the standard crystalline…

Analysis of PDEs · Mathematics 2025-06-23 Giovanni Bellettini , Shokhrukh Yu. Kholmatov , Matteo Novaga

An existence and uniqueness result, up to fattening, for a class of crystalline mean curvature flows with natural mobility is proved. The results are valid in any dimension and for arbitrary, possibly unbounded, initial closed sets. The…

Analysis of PDEs · Mathematics 2016-01-15 Antonin Chambolle , Massimiliano Morini , Marcello Ponsiglione

We study the crystalline curvature flow of planar networks with a single hexagonal anisotropy. After proving the local existence of a classical solution for a rather large class of initial conditions, we classify the homothetically…

Analysis of PDEs · Mathematics 2024-01-30 Giovanni Bellettini , Shokhrukh Kholmatov , Firdavsjon Almuratov

We consider a variational scheme for the anisotropic (including crystalline) mean curvature flow of sets with strictly positive anisotropic mean curvature. We show that such condition is preserved by the scheme, and we prove the strict…

Analysis of PDEs · Mathematics 2020-10-28 Antonin Chambolle , Matteo Novaga

Based on a recent novel formulation of parametric anisotropic curve shortening flow, we analyse a fully discrete numerical method of this geometric evolution equation. The method uses piecewise linear finite elements in space and a backward…

Numerical Analysis · Mathematics 2023-03-01 Klaus Deckelnick , Robert Nürnberg

We establish the existence and uniqueness of smooth solutions with large vorticity and weak solutions with vortex sheets/entropy waves for the steady Euler equations for both compressible and incompressible fluids in arbitrary infinitely…

Analysis of PDEs · Mathematics 2019-02-19 Gui-Qiang G. Chen , Fei-Min Huang , Tian-Yi Wang , Wei Xiang

This paper investigates the short-time existence and uniqueness of Ricci flow solutions on Finsler manifolds. The main results of this paper are theorems demonstrating the short-time existence of the flow solution for $n$-dimensional…

Differential Geometry · Mathematics 2023-04-07 Behroz Bidabad , Maral K. Sedaghat

We consider the evolution by crystalline curvature of a planar set in a stratified medium, modeled by a periodic forcing term. We characterize the limit evolution law as the period of the oscillations tends to zero. Even if the model is…

Analysis of PDEs · Mathematics 2017-07-13 Andrea Braides , Annalisa Malusa , Matteo Novaga

We consider the anisotropic mean curvature flow of entire Lipschitz graphs. We prove existence and uniqueness of expanding self-similar solutions which are asymptotic to a prescribed cone, and we characterize the long time behavior of…

Analysis of PDEs · Mathematics 2021-05-14 Annalisa Cesaroni , Heiko Kröner , Matteo Novaga

We study the long-time existence and behavior for a class of anisotropic non-homogeneous Gauss curvature flows whose stationary solutions, if exist, solve the regular Orlicz-Minkowski problems. As an application, we obtain old and new…

Differential Geometry · Mathematics 2021-02-16 Paul Bryan , Mohammad N. Ivaki , Julian Scheuer

We study long-time existence and asymptotic behaviour for a class of anisotropic, expanding curvature flows. For this we adapt new curvature estimates, which were developed by Guan, Ren and Wang to treat some stationary prescribed curvature…

Differential Geometry · Mathematics 2018-10-10 Paul Bryan , Mohammad N. Ivaki , Julian Scheuer

We study forced anisotropic curvature flow of droplets on an inhomogeneous horizontal hyperplane. As in [Bellettini, Kholmatov: J. Math. Pures Appl. (2018)] we establish the existence of smooth flow, starting from a regular droplet and…

Analysis of PDEs · Mathematics 2024-03-18 Shokhrukh Yu. Kholmatov

We show short time existence and uniqueness of $\C^{1,1}$ solutions to the mean curvature flow with obstacles, when the obstacles are of class $\C^{1,1}$. If the initial interface is a periodic graph we show long time existence of the…

Analysis of PDEs · Mathematics 2014-09-26 Gwenael Mercier , Matteo Novaga

The search of finite-time singularity solutions of Euler equations is considered for the case of an incompressible and inviscid fluid. Under the assumption that a finite-time blow-up solution may be spatially anisotropic as time goes by…

Fluid Dynamics · Physics 2022-01-07 Sergio Rica

We show the consistency of a threshold dynamics type algorithm for the anisotropic motion by fractional mean curvature, in the presence of a time dependent forcing term. Beside the consistency result, we show that convex sets remain convex…

Numerical Analysis · Mathematics 2016-03-24 Antonin Chambolle , Matteo Novaga , Berardo Ruffini

We establish short-time existence of the smooth solution to the fractional mean curvature flow when the initial set is bounded and C^{1,1}-regular. We provide the same result also for the volume preserving fractional mean curvature flow.

Analysis of PDEs · Mathematics 2020-04-24 Vesa Julin , Domenico La Manna
‹ Prev 1 2 3 10 Next ›