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We deal with $m$-component vector-valued solutions to the Cauchy problem for linear both homogeneous and nonhomogeneous weakly coupled second order parabolic system in the layer ${\mathbb R}^{n+1}_T={\mathbb R}^n\times (0, T)$. We assume…

Analysis of PDEs · Mathematics 2020-04-20 Gershon Kresin , Vladimir Maz'ya

We establish a complete picture for existence, uniqueness, and representation of weak solutions to non-autonomous parabolic Cauchy problems of divergence type. The coefficients are only assumed to be uniformly elliptic, bounded, measurable,…

Analysis of PDEs · Mathematics 2025-05-15 Hedong Hou

The primary objective of this work is to establish pointwise gradient estimates for solutions to a class of parabolic nonlinear nonlocal measure data problems, expressed in terms of caloric Riesz potentials of the data. As a consequence of…

Analysis of PDEs · Mathematics 2024-09-27 Lars Diening , Kyeongbae Kim , Ho-Sik Lee , Simon Nowak

The exact solution of a Cauchy problem related to a linear second-order difference equation with constant noncommutative coefficients is reported.

Mathematical Physics · Physics 2009-11-13 M. A. Jivulescu , A. Messina , A. Napoli , F. Petruccione

We study the Cauchy problem for the inhomogeneous Hartree equation in this paper. Although its well-posedness theory has been extensively studied in recent years, much less is known compared to the classical Hartree model of homogeneous…

Analysis of PDEs · Mathematics 2023-12-06 Seongyeon Kim , Yoonjung Lee , Ihyeok Seo

Parabolic integro-differential nondegenerate Cauchy problem is considered in the scale of L_{p} spaces of functions whose regularity is defined by a Levy measure with O-regulary varying radial profile. Existence and uniqueness of a solution…

Probability · Mathematics 2019-10-15 R. Mikulevicius , C. Phonsom

Parabolic integro-differential model Cauchy problem is considered in the scale of Lp -spaces of functions whose regularity is defined by a scalable Levy measure. Existence and uniqueness of a solution is proved by deriving apriori…

Probability · Mathematics 2017-05-26 R. Mikulevicius , C. Phonsom

Li-Vogelius and Li-Nirenberg gave a gradient estimate for solutions of strongly elliptic equations and systems of divergence forms with piecewise smooth coefficients, respectively. The discontinuities of the coefficients are assumed to be…

Analysis of PDEs · Mathematics 2011-03-09 Jishan Fan , Kyoungsun Kim , Sei Nagayasu , Gen Nakamura

We develop a quantitative theory of stochastic homogenization for linear, uniformly parabolic equations with coefficients depending on space and time. Inspired by recent works in the elliptic setting, our analysis is focused on certain…

Analysis of PDEs · Mathematics 2018-06-13 Scott Armstrong , Alexandre Bordas , Jean-Christophe Mourrat

Parabolic integro-differential non degenerate Cauchy problem is considered in the scale of H\"older spaces of functions whose regularity is defined by a radially O-regularly varying L\'evy measure. Existence and uniqueness and the estimates…

Probability · Mathematics 2018-10-02 R. Mikulevicius , Fanhui Xu

In $L_2 (\mathbb{R}^d; \mathbb{C}^n)$, we consider a selfadjoint matrix strongly elliptic second order differential operator $\mathcal{A}_\varepsilon$ with periodic coefficients depending on $\mathbf{x}/\varepsilon$. We find approximations…

Analysis of PDEs · Mathematics 2020-05-15 Mark Dorodnyi

Several negative results are presented concerning the solvability in Sobolev classes of the Cauchy problem for the inhomogeneous second-order uniformly parabolic equations without lower order terms in one space dimension. The main…

Analysis of PDEs · Mathematics 2015-05-12 N. V. Krylov

We consider the Cauchy problem for doubly non-linear degenerate parabolic equations on Riemannian manifolds of infinite volume, or in $\R^N$. The equation contains a weight function as a capacitary coefficient which we assume to decay at…

Analysis of PDEs · Mathematics 2019-05-28 Daniele Andreucci , Anatoli F. Tedeev

We consider the Cauchy problem for homogeneous linear $q$-difference-differential equations with constant coefficients. We characterise convergent, $k$-summable and multisummable formal power series solutions in terms of analytic…

Analysis of PDEs · Mathematics 2024-12-17 Kunio Ichinobe , Sławomir Michalik

We are considering the asimptotic behavior as $t\to\infty$ of solutions of the Cauchy problem for parabolic second order equations with time periodic coefficients. The problem is reduced to considering degenerate time-homogeneous diffusion…

Analysis of PDEs · Mathematics 2021-07-13 R. Z. Khasminskii , N. V. Krylov

The Cauchy problem is investigated for the parabolic type in the some finite part $[t_0, t_1] \subset [0, \infty)$ of the semi axis $t \in [0, \infty)$ and degenarated to Schrodinger type in the remain part of the same semi axes the second…

Mathematical Physics · Physics 2007-05-23 Hikmat I. Ahmadov

We establish local elliptic and parabolic gradient estimates for positive smooth solutions to a nonlinear parabolic equation on a smooth metric measure space. As applications, we determine various conditions on the equation's coefficients…

Differential Geometry · Mathematics 2018-12-04 Jia-Yong Wu

We obtain a local estimate for the gradient of solutions to a second-order elliptic equation in divergence form with bounded measurable coefficients that are square-Dini continuous at the single point x=0. In particular, we treat the case…

Analysis of PDEs · Mathematics 2021-11-24 Vladimir Maz'ya , Robert McOwen

We consider existence and uniqueness issues for the initial value problem of parabolic equations $\partial_{t} u = {\rm div} A \nabla u$ on the upper half space, with initial data in $L^p$ spaces. The coefficient matrix $A$ is assumed to be…

Analysis of PDEs · Mathematics 2025-04-29 Pascal Auscher , Sylvie Monniaux , Pierre Portal

We show the short time existence and uniqueness of solutions to the Cauchy problem for fully nonlinear systems of arbitrary even order on closed manifolds which are strongly parabolic at the initial values. The proof uses a linearization…

Differential Geometry · Mathematics 2015-07-21 Hong Huang
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