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This work is devoted to the study of the existence of at least one weak solution to nonlocal equations involving a general integro-differential operator of fractional type. As a special case, we derive an existence theorem for the…

偏微分方程分析 · 数学 2020-04-22 Giovanni Molica Bisci , Dušan D. Repovš

We formulate a conjectural Lefschetz formula for locally symmetric spaces of finite volume. The formula can be verified in the compact case and for Riemann surfaces.

微分几何 · 数学 2007-05-23 Anton Deitmar

Stochastic non-local conservation law equation in the presence of discontinuous flux functions is considered in an $L^{1}\cap L^{2}$ setting. The flux function is assumed bounded and integrable (spatial variable). Our result is to prove…

偏微分方程分析 · 数学 2019-04-17 Christian Olivera

We prove local well-posedness of the Cahn-Hilliard equation with additive noise. Our method relies on paracontrolled calculus and the Da Prato-Debussche trick.

概率论 · 数学 2024-09-11 Joe Ghafari

We prove the local boundedness of local weak solutions to the parabolic equation \[ \partial_{t}u\,=\,\sum_{i=1}^{n}\partial_{x_{i}}\left[(\vert u_{x_{i}}\vert-\delta_{i})_{+}^{p-1}\frac{u_{x_{i}}}{\vert…

偏微分方程分析 · 数学 2025-11-27 Pasquale Ambrosio , Simone Ciani

We prove existence of solution to a local fractional nonlinear differential equation with initial condition. For that we introduce the notion of tube solution.

经典分析与常微分方程 · 数学 2016-10-18 Benaoumeur Bayour , Delfim F. M. Torres

This work is devoted to the analysis of strong solutions to the Abels-Garcke-Gr\"{u}n (AGG) model in three dimensions. First, we prove the existence of local-in-time strong solutions originating from an initial datum $(\mathbf{u}_0,…

偏微分方程分析 · 数学 2021-12-03 Andrea Giorgini

Using the framework of Colombeau algebras of generalized functions, we prove the existence and uniqueness results for global generalized solvability of semilinear hyperbolic systems with nonlinear nonlocal boundary conditions. We admit…

偏微分方程分析 · 数学 2025-12-10 Irina Kmit

In this paper, we develop a new approximation scheme to solve the local well-posedness problem for the Schr\"odinger flow into the standard unit 2-sphere $\mathbb{S}^2\subset\mathbb{R}^3$ (i.e., the Landau-Lifshitz equation) with natural…

偏微分方程分析 · 数学 2026-05-29 Bo Chen , Youde Wang

We show that Hashimoto transformation is applicable to the one dimensional stochastic Landau-Lifshitz-Gilbert (LLG) equation and transforms it to the stochastic generalized heat equation with nonlocal (in space) interaction.

数学物理 · 物理学 2014-01-14 Misha Neklyudov

In this paper, we prove the existence of a global entropy weak solution $u\in H^1(\mathbb{R})$ and $\partial_{x}u\in L^1(\mathbb{R})\cap BV(\mathbb{R})$ for the Cauchy problem of a generalized Camassa-Holm equation by the viscous…

偏微分方程分析 · 数学 2017-03-14 Chunxia Guan , Xi Tu , Zhaoyang Yin

In this paper, we study local convergence of high-order Tensor Methods for solving convex optimization problems with composite objective. We justify local superlinear convergence under the assumption of uniform convexity of the smooth…

最优化与控制 · 数学 2021-05-21 Nikita Doikov , Yurii Nesterov

In this paper, we show the existence and uniqueness of local regular solutions to the initial-Neumann boundary value problem of Schr\"{o}dinger flow from a smooth bounded domain $\Omega\subset\mathbb{R}^3$ into $\mathbb{S}^2$(namely…

偏微分方程分析 · 数学 2023-08-02 Bo Chen , Youde Wang

We consider the spatially inhomogeneous non-cutoff Boltzmann equation with hard potentials in the non-perturbative setting. For initial data with polynomial decay in the velocity variable, we establish the local-in-time existence and…

偏微分方程分析 · 数学 2026-02-24 Hao-Guang Li , Wei-Xi Li , Chao-Jiang Xu

This paper concerns the Dirichlet problem of three-dimensional inhomogeneous Navier-Stokes equations with density-dependent viscosity. When the viscosity coefficient $\mu(\rho)$ is a power function of the density ($\mu(\rho)=\mu\rho^\alpha$…

偏微分方程分析 · 数学 2024-08-02 Xiangdi Huang , Jiaxu Li , Rong Zhang

In this paper, we address the existence of global solutions to the Cauchy problem for the integrable nonlocal nonlinear Schr\"{o}dinger (nonlocal NLS) equation with the initial data $q_0(x)\in H^{1,1}(\R)$ with the $L^1(\R)$ small-norm…

偏微分方程分析 · 数学 2022-07-12 Yi Zhao , Engui Fan

The article studies Lorentz-invariant 2D equations with long-lived ($t \backsim 1000$ ) localized solutions. In the case of three scalar fields localized solutions with a nontrivial internal structure similar to the hadron structure are…

斑图形成与孤子 · 物理学 2020-12-30 R. K. Salimov , T. R. Salimov , E. G. Ekomasov

This paper presents an existence result and maximal regularity estimates for distributional solutions to degenerate/singular elliptic systems of $p$-Laplacian type with absorption and (prescribed) locally integrable forcing posed in…

偏微分方程分析 · 数学 2025-04-29 Goro Akagi , Hiroki Miyakawa

In this paper we mainly investigate the Cauchy problem of a generalized Camassa-Holm equation. First by this relationship between the Degasperis-Procesi equation and the generalized Camassa-Holm equation, we then obtain two global…

偏微分方程分析 · 数学 2016-01-06 Xi Tu , Zhaoyang Yin

We consider the Cauchy problem for the spatially inhomogeneous Landau equation with soft potentials in the case of large (i.e. non-perturbative) initial data. We construct a solution for any bounded, measurable initial data with uniform…

偏微分方程分析 · 数学 2019-09-16 Christopher Henderson , Stanley Snelson , Andrei Tarfulea