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We present a general method of solving the Cauchy problem for multidimensional parabolic (diffusion type) equation with variable coefficients which depend on spatial variable but do not change over time. We assume the existence of the…

Analysis of PDEs · Mathematics 2019-05-17 Ivan D. Remizov

In this article we solve the Cauchy problem for the relaxation equation posed in a framework of variable order fractional calculus. After introducing some general mathematical theory we establish concepts of Scarpi derivative and transition…

General Mathematics · Mathematics 2026-05-28 Matija Adam Horvat , Nikola Sarajlija

We solve the Cauchy problem of the Ward equation with both continuous and discrete scattering data.

Exactly Solvable and Integrable Systems · Physics 2009-11-13 Derchyi Wu

Commutation of multidimensional vector fields leads to integrable nonlinear dispersionless PDEs arising in various problems of mathematical physics and intensively studied in the recent literature. This report is aiming to solve the…

Exactly Solvable and Integrable Systems · Physics 2014-07-17 P. G. Grinevich , P. M. Santini , D. Wu

In this work, we focus on separable convex optimization problems with linear and box constraints and compute the solution in closed-form as a function of some Lagrange multipliers that can be easily computed in a finite number of…

Information Theory · Computer Science 2014-03-25 Antonio A. D'Amico , Luca Sanguinetti , Daniel P. Palomar

In this paper we give an explicit solution of Dzherbashyan-Caputo-fractional Cauchy problems related to equations with derivatives of order $\nu k$, for $k$ non-negative integer and $\nu>0$. The solution is obtained by connecting the…

Probability · Mathematics 2023-09-12 Fabrizio Cinque , Enzo Orsingher

We prove maximal Schauder regularity for solutions to elliptic systems and Cauchy problems, in the space $C_b(\mathbb{R}^d;\mathbb{R}^m)$ of bounded and continuous functions, associated to a class of nonautonomous weakly coupled…

Analysis of PDEs · Mathematics 2022-01-03 Davide Addona , Luca Lorenzi

We study the Cauchy problem for a system of semi-linear coupled fractional-diffusion equations with polynomial nonlinearities posed in $% \mathbb{R}_{+}\times \mathbb{R}^{N}$. Under appropriate conditions on the exponents and the orders of…

Analysis of PDEs · Mathematics 2020-09-22 A. Bashir , A. Alsaedi , M. Berbiche , M Kirane

We consider the Cauchy problem for one-dimensional dispersive equations with a general nonlinearity in the periodic setting. Our main hypotheses are both that the dispersive operator behaves for high frequencies as a Fourier multiplier by $…

Analysis of PDEs · Mathematics 2022-03-31 Luc Molinet , Tomoyuki Tanaka

We give a conformal representation for indefinite improper affine spheres which solve the Cauchy problem for their Hessian equation. As consequences, we can characterize their geodesics and obtain a generalized symmetry principle. Then, we…

Differential Geometry · Mathematics 2013-04-12 Francisco Milán

Existence and uniqueness of advanced and retarded fundamental solutions (Green's functions) and of global solutions to the Cauchy problem is proved for a general class of first order linear differential operators on vector bundles over…

Mathematical Physics · Physics 2011-02-28 Rainer Muehlhoff

We consider the Cauchy problem for a second order quasi-linear partial differential equation with an admissible parabolic degeneration such that the given functions described the initial conditions are defined on a closed interval. We study…

Differential Geometry · Mathematics 2016-07-19 Ágota Figula , M. Z. Menteshashvili

We prove the existence and uniqueness of the fundamental solution for Kolmogorov operators associated to some stochastic processes, that arise in the Black & Scholes setting for the pricing problem relevant to path dependent options. We…

Analysis of PDEs · Mathematics 2021-06-21 Francesca Anceschi , Silvia Muzzioli , Sergio Polidoro

The linear system of differential equations for determination of transmission and reflection amplytudes of scattered electron in the field of one dimensional arbitrary potential is obtained. It is shown that in general the scattering…

Disordered Systems and Neural Networks · Physics 2019-08-17 David M. Sedrakian , Ashot Zh. Khachatrian

In this paper we consider the Cauchy problem for multidimensional elliptic equations in a cylindrical domain. The method of spectral expansion in eigenfunctions of the Cauchy problem for equations with deviating argument establishes a…

Analysis of PDEs · Mathematics 2019-10-22 Tynysbek Sh. Kalmenov , Makhmud A. Sadybekov , Berikbol T. Torebek

We consider the Cauchy problem for a second-order evolution equation, in which the problem operator is the sum of two self-adjoint operators. The main feature of the problem is that one of the operators is represented in the form of the…

Numerical Analysis · Mathematics 2020-11-18 Petr N. Vabishchevich

The abstract Cauchy problem for the distributed order fractional evolution equation in the Caputo and in the Riemann-Liouville sense is studied for operators generating a strongly continuous one-parameter semigroup on a Banach space.…

Analysis of PDEs · Mathematics 2015-02-17 Emilia Bazhlekova

Conditions for the unique solvability of the Cauchy problem for a family of scalar functional differential equations are obtained. These conditions are sufficient for the solvability of the Cauchy problem for every equation from the family…

Classical Analysis and ODEs · Mathematics 2013-06-20 Eugene Bravyi

The aim of this paper is to obtain the existence of unique solution to nonlinear Cauchy-type problem. We consider the implicit nonlinear Cauchy-type problem with $\psi$-Hilfer fractional derivative. The Banach fixed point theorem is used to…

General Mathematics · Mathematics 2019-10-14 Mohammed S Abdo , S K Panchal , Sandeep P Bhairat

We consider the Cauchy problem in the Euclidean space for a doubly degenerate parabolic equation with a space-dependent exponential weight, roughly speaking of the type of the exponential of a power of the distance from the origin. We…

Analysis of PDEs · Mathematics 2024-10-31 Daniele Andreucci , Anatoli F. Tedeev