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We consider a degenerate hyperbolic equation of Kirchhoff type with a small parameter epsilon in front of the second-order time-derivative. In a recent paper, under a suitable assumption on initial data, we proved decay-error estimates for…

Analysis of PDEs · Mathematics 2012-03-06 Marina Ghisi , Massimo Gobbino

This paper studies the large fluctuations of solutions of finite--dimensional affine stochastic neutral functional differential equations with finite memory, as well as related nonlinear equations. We find conditions under which the exact…

Probability · Mathematics 2013-10-10 John A. D. Appleby , Huizhong Appleby-Wu , Xuerong Mao

The goal of this note is to state the optimal decay rate for solutions of the nonlinear fast diffusion equation and, in self-similar variables, the optimal convergence rates to Barenblatt self-similar profiles and their generalizations. It…

Analysis of PDEs · Mathematics 2015-05-13 Matteo Bonforte , Jean Dolbeault , Gabriele Grillo , Juan-Luis Vázquez

In this paper we determine the exact rate of growth of the solution of a deterministic delay differential equation in which the delayed term is regularly varying at infinity and dominates, and determine criteria to characterise this…

Classical Analysis and ODEs · Mathematics 2013-10-10 John A. D. Appleby , Michael J. McCarthy , Alexandra Rodkina

We study the decay/growth rates in all $L^p$ norms of solutions to an inhomogeneous nonlocal heat equation in $\mathbb{R}^N$ involving a Caputo $\alpha$-time derivative and a power $\beta$ of the Laplacian when the dimension is large, $N>…

Analysis of PDEs · Mathematics 2021-07-06 Carmen Cortázar , Fernando Quirós , Noemí Wolanski

We consider a class of semi-linear dissipative hyperbolic equations in which the operator associated to the linear part has a nontrivial kernel. Under appropriate assumptions on the nonlinear term, we prove that all solutions decay to 0, as…

Analysis of PDEs · Mathematics 2013-06-18 Marina Ghisi , Massimo Gobbino , Alain Haraux

We consider degenerate Kirchhoff equations with a small parameter epsilon in front of the second-order time-derivative. It is well known that these equations admit global solutions when epsilon is small enough, and that these solutions…

Analysis of PDEs · Mathematics 2011-08-19 Marina Ghisi , Massimo Gobbino

We study the decay/growth rates in all $L^p$ norms of solutions to an inhomogeneous nonlocal heat equation in $\mathbb{R}^N$ involving a Caputo $\alpha$-time derivative and a power $\beta$ of the Laplacian when the spatial dimension is…

Analysis of PDEs · Mathematics 2022-04-26 Carmen Cortázar , Fernando Quirós , Noemí Wolanski

We prove sharp estimates for the decay in time of solutions to a rather general class of non-local in time subdiffusion equations on a bounded domain subject to a homogeneous Dirichlet boundary condition. Important special cases are the…

Analysis of PDEs · Mathematics 2013-10-02 Vicente Vergara , Rico Zacher

In this paper we consider the rate of convergence of solutions of a scalar ordinary differential equation which is a perturbed version of an autonomous equation with a globally stable equilibrium. Under weak assumptions on the nonlinear…

Classical Analysis and ODEs · Mathematics 2016-07-12 John A. D. Appleby , Denis D. Patterson

This paper develops necessary and sufficient conditions for the preservation of asymptotic convergence rates of deterministically and stochastically perturbed ordinary differential equations in which the solutions of the unperturbed…

Classical Analysis and ODEs · Mathematics 2025-09-25 John A. D. Appleby , Subham Pal

We prove precise rates of convergence for monotone approximation schemes of fractional and nonlocal Hamilton-Jacobi-Bellman (HJB) equations. We consider diffusion corrected difference-quadrature schemes from the literature and new…

Analysis of PDEs · Mathematics 2023-09-04 Indranil Chowdhury , Espen R. Jakobsen

In this paper, we study a fully non-local reaction-diffusion equation which is non-local both in time and space. We apply subordination principles to construct the fundamental solutions of this problem, which we use to find a representation…

Analysis of PDEs · Mathematics 2018-06-19 Juan C. Pozo , Vicente Vergara

In this paper we address the decay of solutions to the four-dimen\-sional energy-critical nonlinear heat equation in the critical space $\dot{H}^1$. Recently, it was proven that the $\dot{H}^1$ norm of solutions goes to zero when time goes…

Analysis of PDEs · Mathematics 2023-04-19 Leonardo Kosloff , César J. Niche , Gabriela Planas

In this paper, we consider a nonlinear Love-equation with infinite memory. By certain properties of convex functions, we use an appropriate Lyapunov functional to find a very general rate of decay for energy (2.3).

Analysis of PDEs · Mathematics 2018-11-27 Khaled Zennir

In this paper the numerical approximation of solutions of Liouville-Master Equations for time-dependent distribution functions of Piecewise Deterministic Processes with memory is considered. These equations are linear hyperbolic PDEs with…

Numerical Analysis · Mathematics 2007-05-23 Mario Annunziato

In this letter we obtain sharp estimates on the growth rate of solutions to a nonlinear ODE with a nonautonomous forcing term. The equation is superlinear in the state variable and hence solutions exhibit rapid growth and finite-time…

Classical Analysis and ODEs · Mathematics 2017-05-23 John A. D. Appleby , Denis D. Patterson

We are concerned with the time decay rates of strong solutions to a non-conservative compressible viscous two-phase fluid model in the whole space R3. Compared to the previous related works, the main novelty of this paper lies in the fact…

Analysis of PDEs · Mathematics 2020-10-23 Huaqiao Wang , Juan Wang , Guochun Wu , Yinghui Zhang

We consider conditions for the decay in time of solutions of non-homogenous hyperbolic equations. It is proven that solutions of the equations go to $0$ in $L^2$ at infinity if and only if an equation's right-hand side uniquely determines…

Analysis of PDEs · Mathematics 2024-06-18 Piotr Michał Bies

We study delay-independent stability in nonlinear models with a distributed delay which have a positive equilibrium. Such models frequently occur in population dynamics and other applications. In particular, we construct a relevant…

Dynamical Systems · Mathematics 2009-01-12 Elena Braverman , Sergey Zhukovskiy
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