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We prove local in time well-posedness for a class of quasilinear Hamiltonian KdV-type equations with periodic boundary conditions, more precisely we show existence, uniqueness and continuity of the solution map. We improve the previous…

Analysis of PDEs · Mathematics 2022-02-15 Felice Iandoli

In this paper we study a new class of pseudo-differential equations on functions of two $p$-adic variables. It is proved that the correspondent Cauchy problem has a unique solution. Some properties of this solution are studied, in…

Analysis of PDEs · Mathematics 2024-09-04 Anatoly N. Kochubei , Mariia V. Serdiuk

We establish the local well-posedness for a new nonlinearly dispersive wave equation and we show that the equation has solutions that exist for indefinite times as well as solutions which blowup in finite times. Furthermore, we derive an…

Analysis of PDEs · Mathematics 2015-06-26 Zhaoyang Yin

We consider the Cauchy problem for a system of fully nonlinear parabolic equations. In this paper, we shall show the existence of global-in-time solutions to the problem. Our condition to ensure the global existence is specific to the fully…

Analysis of PDEs · Mathematics 2022-02-11 Takahiro Kosugi , Ryuichi Sato

We discuss the non-uniqueness of continuous solutions to differential equations with a {\it discrete } state-dependent delay and continuous initial functions. We are interested not only in the fact (conditions) of non-uniqueness, but in…

Classical Analysis and ODEs · Mathematics 2026-04-14 Alexander Rezounenko

Given that the terminal condition is of at most linear growth, it is well known that a Cauchy problem admits a unique classical solution when the coefficient multiplying the second derivative (i.e., the volatility) is also a function of at…

Analysis of PDEs · Mathematics 2009-09-16 Erhan Bayraktar , Hao Xing

We prove some uniqueness results for weak solutions to some classes of parabolic Dirichlet problems.

Analysis of PDEs · Mathematics 2014-01-30 F. Feo

We study the Cauchy problem for a multidimensional scalar conservation law with merely continuous flux vector in the class of Besicovitch almost periodic functions. The existence and uniqueness of entropy solutions are established. We…

Analysis of PDEs · Mathematics 2014-06-20 Evgeny Yu. Panov

We study the well-posedness of the Cauchy problem for a fractional porous medium equation with a varying density. We establish existence of weak energy solutions; uniqueness and nonuniqueness is studied as well, according with the behavior…

Analysis of PDEs · Mathematics 2013-02-04 Fabio Punzo , Gabriele Terrone

One proves existence and uniqueness of strong solutions to stochastic porous media equations under minimal monotonicity conditions on the nonlinearity. In particular, we do not assume continuity of the drift or any growth condition at…

Probability · Mathematics 2007-05-23 Viorel Barbu , Giuseppe Da Prato , Michael Röckner

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

The Cauchy problem for a multidimensional linear transport equation with discontinuous coefficient is investigated. Provided the coefficient satisfies a one-sided Lipschitz condition, existence, uniqueness and weak stability of solutions…

Analysis of PDEs · Mathematics 2007-05-23 Francois James , Simona Mancini , Francois Bouchut

We prove existence and uniqueness of Radon measure-valued solutions of the Cauchy problem $$ \begin{cases} u_t+[\varphi(u)]_x=0 & \text{in } \mathbb{R}\times (0,T) \\ u=u_0\ge 0 &\text{in } \mathbb{R}\times \{0\}, \end{cases} $$ where $u_0$…

Analysis of PDEs · Mathematics 2019-07-25 Michiel Bertsch , Flavia Smarrazzo , Andrea Terracina , Alberto Tesei

Via Carleman estimates we prove uniqueness and continuous dependence results for lateral Cauchy problems for linear integro-differential parabolic equations without initial conditions. The additional information supplied prescribes the…

Analysis of PDEs · Mathematics 2016-10-12 A. Lorenzi , L. Lorenzi , M. Yamamoto

When a solution to the Cauchy problem for nonlinear dispersive equations is obtained by a fixed point argument using auxiliary function spaces, it is non-trivial to ensure uniqueness of solutions in a natural space such as the class of…

Analysis of PDEs · Mathematics 2021-07-20 Nobu Kishimoto

In this short note, we show a uniqueness result of the energy solutions for the Cauchy problem of Schrodinger flow in the whole space $R^n$ provided there is a smooth solution in the energy class.

Analysis of PDEs · Mathematics 2008-10-17 Li Ma , Lin Zhao , Jing Wang

The conditions under which, the continuity equation can be substituted by an ordinary non differential equation, will be discussed. Since continuity equation is a fundamental equation, this result will be applicable in a vast area of…

General Physics · Physics 2007-05-23 Saeed. Otarod

The Cauchy-type problem for a nonlinear differential equation involving Hilfer fractional derivative is considered. We prove existence, uniqueness and continuous dependence of a solution for Cauchy-type problem using successive…

Classical Analysis and ODEs · Mathematics 2017-04-10 D. B. Dhaigude , Sandeep P. Bhairat

These Notes are intended for graduate or undergraduate students who have familiarity with Lebesgue measure theory, partial differential equations, and functional analysis. The main topics covered in this work are the study of the Cauchy…

Analysis of PDEs · Mathematics 2023-05-09 Sergio Vessella

The recent significant enrichment of the Order Completion Method for nonlinear Systems of PDEs resulted in the global existence of generalized solutions to a large class of such equations. In this paper we investigate the existence and…

Analysis of PDEs · Mathematics 2007-09-14 Jan Harm van der Walt