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The algorithm for generation of exact solutions of the nonlinear equation in partial derivatives of a divergent type which is included in the formulation of magnetostatics, hydro-and aerodynamics, quantum mechanics (stationary Schr\"odinger…

Mathematical Physics · Physics 2018-05-04 E. E. Perepelkin , B. I. Sadovnikov , N. G. Inozemtseva

It is by now well known that the use of Carleman estimates allows to establish the control-lability to trajectories of nonlinear parabolic equations. However, by this approach, it is not clear how to decide whether a given function is…

Analysis of PDEs · Mathematics 2018-12-18 Camille Laurent , Lionel Rosier

We exhibit a class of properties of an spde that guarantees existence, uniqueness and bounds on moments of the solution. These moment bounds are expressed in terms of quantities related to the associated deterministic homogeneous p.d.e.…

Probability · Mathematics 2014-01-28 Le Chen , Robert C. Dalang

We study parabolic equations in variable H\"older spaces on domains of Euclidean spaces. The existence and uniqueness of solutions is proved.

Analysis of PDEs · Mathematics 2020-04-20 Piotr Michał Bies

This work is an attempt to give a brief overview of the implementation of the statistical ther- modynamics to hadronic matter. The possibility to use the hydrodynamic approach for developing the physical model of the formation of exotic…

Nuclear Theory · Physics 2015-09-23 K. V. Cherevko , L. L. Jenkovszky , V. M. Sysoev , Feng-Shou Zhang

The question of what conditions should be set at the nodes of a discrete graph for the wave equation with discrete time is investigated. The variational method for the derivation of these conditions is used. A parallel with the continuous…

Optimization and Control · Mathematics 2022-10-18 Sergei A. Avdonin , Aleksander S. Mikhaylov , Victor S. Mikhaylov , Abdon E. Choque-Rivero

In this work, we initiate the study of the biharmonic heat equation in a spatial bounded domain subject to dynamic boundary conditions involving the bi-Laplace-Beltrami operator on the boundary. The boundary heat equation is coupled to the…

Analysis of PDEs · Mathematics 2026-04-20 S. E. Chorfi , F. Et-tahri , L. Maniar

Boundary value problems for non-linear parabolic equations with singular potentials are considered. Existence and non-existence results as an application of different Hardy inequalities are proved. Blow-up conditions are investigated too.

Analysis of PDEs · Mathematics 2025-10-14 N. Kutev , T. Rangelov

We show that for any uniformly parabolic fully nonlinear second-order equation with bounded measurable "coefficients" and bounded "free" term in any cylindrical smooth domain with smooth boundary data one can find an approximating equation…

Analysis of PDEs · Mathematics 2012-08-23 Hongjie Dong , Nicolai V. Krylov

This is the second part of a two parts work on the analysis of heat-type equations on manifolds with fibered boundary equipped with a $\Phi$-metric. This setting generalizes the asymptotically conical (scattering) spaces and includes…

Analysis of PDEs · Mathematics 2023-02-28 Bruno Caldeira , Giuseppe Gentile

We investigate the behavior of dynamic shape design problems for fluid flow at large time horizon. In particular, we shall compare the shape solutions of a dynamic shape optimization problem with that of a stationary problem and show that…

Optimization and Control · Mathematics 2022-10-21 John Sebastian H. Simon

This article provides a brief introduction to the a posteriori error analysis of parabolic partial differential equations, with an emphasis on challenges distinct from those of steady-state problems. Using the heat equation as a model…

Numerical Analysis · Mathematics 2025-12-02 Iain Smears

The past decades have seen increasing interest in modelling uncertainty by heterogeneous methods, combining probability and interval analysis, especially for assessing parameter uncertainty in engineering models. A unifying mathematical…

Probability · Mathematics 2022-08-15 Jelena Karakašević , Michael Oberguggenberger

A new boundary value problem for partial differential equations is discussed. We consider an arbitrary solution of an elliptic or parabolic equation in a given domain and no boundary conditions are assumed. We study which restrictions the…

Analysis of PDEs · Mathematics 2013-12-17 V. Zh. Sakbaev , I. V. Volovich

We present a family of integral equation-based solvers for the linear or semilinear heat equation in complicated moving (or stationary) geometries. This approach has significant advantages over more standard finite element or finite…

Numerical Analysis · Mathematics 2022-12-06 Jun Wang , Leslie Greengard , Shidong Jiang , Shravan Veerapaneni

To solve numerically boundary value problems for parabolic equations with mixed derivatives, the construction of difference schemes with prescribed quality faces essential difficulties. In parabolic problems, some possibilities are…

Numerical Analysis · Computer Science 2015-06-05 Petr N. Vabishchevich

We analyze an optimization problem of the conductivity in a composite material arising in a heat conduction energy storage problem. The model is described by the heat equation that specifies the heat exchange between two types of materials…

Optimization and Control · Mathematics 2024-04-01 M. Azaiez , A. Doubova , S. Ervedoza , F. Jelassi , M. Mint Brahim

In this paper we will review the main results concerning the issue of stability for the determination unknown boundary portion of a thermic conducting body from Cauchy data for parabolic equations. We give detailed and selfcontained proofs.…

Analysis of PDEs · Mathematics 2009-11-13 Sergio Vessella

A sharp double-sided Harnack bound is derived for positive solutions of a fractional order heat equation.

Analysis of PDEs · Mathematics 2023-03-16 Mateusz Dembny , Mikołaj Sierżęga

Statistical solutions are time-parameterized probability measures on spaces of integrable functions, that have been proposed recently as a framework for global solutions and uncertainty quantification for multi-dimensional hyperbolic system…

Numerical Analysis · Mathematics 2024-09-23 Ulrik Skre Fjordholm , Kjetil Lye , Siddhartha Mishra , Franziska Weber