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We find a representation of smooth solutions to the Cauchy problem for a scalar multidimensional conservation law as small diffusion limit of a stochastic perturbation along characteristics. It helps, in particular, to study the process of…

Analysis of PDEs · Mathematics 2012-10-11 S. Albeverio , O. Rozanova

The aim of the present paper is to study the existence, uniqueness and some other properties of solutions of a certain partial dynamic integrodifferential equations. The Banach fixed point theorem and certain fundamental inequality with…

Dynamical Systems · Mathematics 2016-05-03 Deepak B. Pachpatte

A strong inspiration for studying perturbation theory for fractional evolution equations comes from the fact that they have proven to be useful tools in modeling many physical processes. In this paper, we study fractional evolution…

Analysis of PDEs · Mathematics 2021-08-31 Arzu Ahmadova , Ismail T. Huseynov , Nazim I. Mahmudov

In this article, we obtain sufficient conditions on existence, uniqueness and Ulam--Hyers stability of solutions for a coupled system of two-point nabla fractional difference boundary value problems, using Banach fixed point theorem and…

General Mathematics · Mathematics 2022-03-09 Jagan Mohan Jonnalagadda

We prove the existence of solutions to the Cauchy-Dirichlet problem associated with a class of fully nonlinear anisotropic evolution equations. We prove a comparison principle and conclude the uniqueness of solutions. All results are…

Analysis of PDEs · Mathematics 2026-04-21 Antonella Nastasi , Emiliano Peña Ayala , Matias Vestberg

We prove a general criterion to establish existence and uniqueness of a short-time solution to an evolution equation involving "closed" sections of a vector bundle, generalizing a method used recently by Bryant and Xu for studying the…

Differential Geometry · Mathematics 2018-06-08 Lucio Bedulli , Luigi Vezzoni

The paper provides a direct proof the uniqueness of solutions to the Camassa-Holm equation, based on characteristics. Given a conservative solution $u=u(t,x)$, an equation is introduced which singles out a unique characteristic curve…

Analysis of PDEs · Mathematics 2014-01-03 Alberto Bressan , Geng Chen , Qingtian Zhang

This work is devoted to the study of a nonlocal-in-time evolutional problem for the first order differential equation in Banach space. Our primary approach, although stems from the convenient technique based on the reduction of a nonlocal…

Dynamical Systems · Mathematics 2016-09-26 Dmytro Sytnyk , Volodymyr Makarov , Vitalii Vasylyk

For nonuniform exponentially bounded evolution families on the half-line we introduce a class of Banach function spaces on which we define nonuniform evolution semigroups. We completely characterize nonuniform exponential stability in terms…

Dynamical Systems · Mathematics 2019-05-13 Nicolae Lupa , Liviu Horia Popescu

This paper is concerned with the study of a class of nonlinear nonlocal functional evolution problems defined in an abstract Banach algebra. We introduce an abstract functional setting that encompasses a wide range of structured population…

Analysis of PDEs · Mathematics 2025-12-16 Jérôme Coville , Léo Girardin

We study two types of unique continuation properties for the higher order Schr\"{o}dinger equation with potential $$ i\partial_tu=(-\Delta_x)^mu+V(t,x)u,\quad(t,x)\in\mathbb{R}^{1+n},\,2\leq m\in\mathbb{N}_+. $$ The first one says if $u$…

Analysis of PDEs · Mathematics 2022-03-22 Tianxiao Huang , Shanlin Huang , Quan Zheng

We prove the absolute continuity of stable foliations for mappings of Banach spaces satisfying conditions consistent with time-t maps of certain classes of dissipative PDEs. This property is crucial for passing information from submanifolds…

Dynamical Systems · Mathematics 2017-06-28 Alex Blumenthal , Lai-Sang Young

In this paper, we investigate properties of unique continuation for hyperbolic Schr\"odinger equations with time-dependent complex-valued electric fields and time-independent real magnetic fields. We show that positive masses inside of a…

Analysis of PDEs · Mathematics 2023-06-09 Juan Antonio Barceló , Biagio Cassano , Luca Fanelli

We prove the local existence and uniqueness of solutions to a system of quasi-linear wave equations involving a jump discontinuity in the lower order terms. A continuation principle is also established.

Analysis of PDEs · Mathematics 2014-01-17 Lars Andersson , Todd A. Oliynyk

From a unified vision of vector valued solutions in weighted Banach spaces, this manuscript establishes the existence and uniqueness for space homogeneous Boltzmann bi-linear systems with conservative collisional forms arising in complex…

Mathematical Physics · Physics 2023-04-13 Ricardo J. Alonso , Irene M. Gamba , Milana Pavic-Colic

In this short note, we first consider some inequalities for comparison of some algebraic properties of two continuous algebra-multiplications on an arbitrary Banach space and then, as an application, we consider some very basic observations…

Functional Analysis · Mathematics 2019-07-24 Maysam Maysami Sadr

We devise in this work a simple mechanism for constructing flows on a Banach space from approximate flows, and show how it can be used in a simple way to reprove from scratch and extend the main existence and well-posedness results for…

Probability · Mathematics 2013-09-26 Ismael Bailleul

We introduce a property of Banach spaces called uniform convex-transitivity, which falls between almost transitivity and convex-transitivity. We will provide examples of uniformly convex-transitive spaces. This property behaves nicely in…

Functional Analysis · Mathematics 2009-05-06 Fernando Rambla-Barreno , Jarno Talponen

Unique continuation results are proved for metrics with prescribed Ricci curvature in the setting of bounded metrics on compact manifolds with boundary, and in the setting of complete, conformally compact metrics. Related to this issue, an…

Differential Geometry · Mathematics 2009-11-13 Michael T. Anderson , Marc Herzlich

In stochastic partial differential equations it is important to have pathwise regularity properties of stochastic convolutions. In this note we present a new sufficient condition for the pathwise continuity of stochastic convolutions in…

Probability · Mathematics 2015-03-17 Mark Veraar , Lutz Weis