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In this paper, we establish a sharp $C^{2+\alpha}$-theory for stochastic partial differential equations of parabolic type in the whole space.

Analysis of PDEs · Mathematics 2017-06-07 Kai Du , Jiakun Liu

This paper deals with the space-homogenous Landau equation with very soft potentials, including the Coulomb case. This nonlinear equation is of parabolic type with diffusion matrix given by the convolution product of the solution with the…

Analysis of PDEs · Mathematics 2024-01-24 François Golse , Cyril Imbert , Sehyun Ji , Alexis F. Vasseur

Matrix-valued Cauchy bi-orthogonal polynomials were proposed in this paper, together with its quasideterminant expression. It is shown that the coefficients in four-term recurrence relation for matrix-valued Cauchy bi-orthogonal polynomials…

Mathematical Physics · Physics 2023-01-02 Shi-Hao Li , Ying Shi , Guo-Fu Yu , Jun-Xiao Zhao

This paper is devoted to some aspects of well-posedness of the Cauchy problem for a quasilinear degenerate fourth-order parabolic thin film equation u_{t} = -\nabla \cdot(|u|^{n} \nabla\D u) in \ren \times \re_+, \quad u(x,0)=u_0(x) in…

Analysis of PDEs · Mathematics 2014-06-02 Pablo Alvarez-Caudevilla , Victor A. Galaktionov

This is the first publication in which an ill-posed Cauchy problem for a quasi- linear PDE is solved numerically by a rigorous method. More precisely, we solve the side Cauchy problem for a 1-d quasilinear parabolc equation. The key idea is…

Mathematical Physics · Physics 2016-03-03 Michael V. Klibanov , Nikolaj A. Koshev , Jingzhi Li , Anatoly G. Yagola

Time-periodic weak solutions for a coupled hyperbolic-parabolic system are obtained. A linear heat and wave equation are considered on two respective $d$-dimensional spatial domains that share a common $(d-1)$-dimensional interface…

Analysis of PDEs · Mathematics 2026-01-30 Stanislav Mosny , Boris Muha , Sebastian Schwarzacher , Justin T. Webster

We deal with linear parabolic (in sense of Petrovskii) systems of order 2b with discontinuous principal coefficients. A'priori estimates in Sobolev and Sobolev--Morrey spaces are proved for the strong solutions by means of potential…

Analysis of PDEs · Mathematics 2025-12-10 Dian K. Palagachev , Lubomira G. Softova

In this article, we introduce a new class of parabolic-type pseudo differential equations with variable coefficients over the p-adics. We establish the existence and uniqueness of solutions for the Cauchy problem associated with these…

Analysis of PDEs · Mathematics 2014-05-14 L. F. Chacón-Cortes , W. A. Zúñiga-Galindo

We establish the existence of solutions of the Cauchy problem for a higher-order semilinear parabolic equation by introducing a new majorizing kernel. We also study necessary conditions on the initial data for the existence of local-in-time…

Analysis of PDEs · Mathematics 2019-09-13 Kazuhiro Ishige , Tatsuki Kawakami , Shinya Okabe

We consider a class of nonautonomous parabolic first-order coupled systems in the Lebesgue space $L^p({\mathbb R}^d;{\mathbb R}^m)$, $(d,m \ge 1)$ with $p\in [1,+\infty)$. Sufficient conditions for the associated evolution operator ${\bf…

Analysis of PDEs · Mathematics 2015-05-20 Luciana Angiuli , Luca Lorenzi , Diego Pallara

We prove sufficient conditions in order to obtain a sharp G\aa rding inequality for pseudo-differential operators acting on vector-valued functions on compact Lie groups. As a consequence, we obtain a sharp G\aa rding inequality for compact…

Analysis of PDEs · Mathematics 2024-03-27 André Kowacs , Michael Ruzhansky

In this paper, we establish the existence of spatially inhomogeneous classical self-similar solutions to a non-Lipschitz semi-linear parabolic Cauchy problem with trivial initial data. Specifically we consider bounded solutions to an…

Analysis of PDEs · Mathematics 2020-01-17 John Christopher Meyer , David John Needham

We prove maximal Schauder regularity for solutions to elliptic systems and Cauchy problems, in the space $C_b(\mathbb{R}^d;\mathbb{R}^m)$ of bounded and continuous functions, associated to a class of nonautonomous weakly coupled…

Analysis of PDEs · Mathematics 2022-01-03 Davide Addona , Luca Lorenzi

We construct a probabilistic representation of a system of fully coupled parabolic equations arising as a model describing spatial segregation of interacting population species. We derive a closed system of stochastic equations such that…

Probability · Mathematics 2017-05-04 Yana Belopolskaya

We consider the Cauchy problem for the damped wave equations with variable coefficients a(x) having power type nonlinearity |u|^p. We discuss the global existence of solutions for small initial data and investigate the relation between the…

Analysis of PDEs · Mathematics 2021-11-02 Y. Tamada

We consider the Cauchy problem for strictly hyperbolic $m$-th order partial differential equations with coefficients low-regular in time and smooth in space. It is well-known that the problem is $L^2$ well-posed in the case of Lipschitz…

Analysis of PDEs · Mathematics 2016-12-01 Massimo Cicognani , Daniel Lorenz

This work is concerned with the Cauchy problem for a coupled Schr\"odinger-Benjamin-Ono system $$\left \{ \begin{array}{l} i\partial_tu+\partial_x^2u=\alpha uv,\qquad t\!\in\![-T,T], \ x\!\in\!\mathbb R,\\ \partial_tv+\nu\mathcal…

Analysis of PDEs · Mathematics 2014-12-18 Leandro Domingues

We study the Cauchy problem for a quasilinear wave equation with low-regularity data. A space-time $L^2$ estimate for the variable coefficient wave equation plays a central role for this purpose. Assuming radial symmetry, we establish the…

Analysis of PDEs · Mathematics 2012-04-04 Kunio Hidano , Chengbo Wang , Kazuyoshi Yokoyama

This paper studies a class of linear parabolic equations with measurable coefficients in divergence form whose volumetric heat capacity coefficients are assumed to be in some Muckenhoupt class of weights. As such, the coefficients can be…

Analysis of PDEs · Mathematics 2025-11-11 Junyuan Fang , Tuoc Phan

Schauder estimates were a historical stepping stone for establishing uniqueness and smoothness of solutions for certain classes of partial differential equations. Since that time, they have remained an essential tool in the field. Roughly…

Analysis of PDEs · Mathematics 2016-01-15 Heather Price