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Despite the number of relevant considerations in the literature, the algebra of generalized symmetries of the Burgers equation has not been exhaustively described. We fill this gap, presenting a basis of this algebra in an explicit form and…

Analysis of PDEs · Mathematics 2024-06-06 Dmytro R. Popovych , Alex Bihlo , Roman O. Popovych

We report a solution of the inverse Lagrangian problem for the first order Riccati differential equation by means of an analogy with the Friedmann equation of a suitable Friedmann-Lema\^itre-Robertson-Walker universe in general relativity.…

General Relativity and Quantum Cosmology · Physics 2022-01-26 Valerio Faraoni

We study the Darboux and Laplace transformations for the Boiti-Leon-Pempinelli equations (BLP). These equations are the (1+2) generalization of the sinh-Gordon equation. In addition, the BLP equations reduced to the Burgers (and…

Exactly Solvable and Integrable Systems · Physics 2009-11-11 A. V. Yurov

We consider weakly asymmetric exclusion processes whose initial density profile is a small perturbation of a constant. We show that in the diffusive time-scale, in all dimensions, the density defect evolves as the solution of a viscous…

Probability · Mathematics 2020-06-05 M. Jara , C. Landim , K. Tsunoda

Recently, there has been a lot of interest in using neural networks for solving partial differential equations. A number of neural network-based partial differential equation solvers have been formulated which provide performances…

Machine Learning · Computer Science 2020-04-21 Shehryar Malik , Usman Anwar , Ali Ahmed , Alireza Aghasi

The Riccati equations reducible to first-order linear equations by an appropriate change the dependent variable are singled out. All these equations are integrable by quadrature. A wide class of linear ordinary differential equations…

Classical Analysis and ODEs · Mathematics 2011-08-02 Nail H. Ibragimov

The method of parameter variation for linear differential equations is extended to classes of second order nonlinear differential equations. This allows to reduce the latter to first order differential equations. Known classical equations…

Classical Analysis and ODEs · Mathematics 2009-02-25 Mahouton Norbert Hounkonnou , Pascal Alain Dkengne Sielenou

We study the large-time behavior of solutions to a generalized Burgers Equation, with initial zero mass data. Our main purpose is to present a modified version of the Renormalization Group map, which is able to provide the higher order…

Mathematical Physics · Physics 2022-09-20 Gastão A. Braga , Frederico Furtado , Jussara M. Moreira , Antônio Marcos da Silva

We discuss a method of constructing solution of the initial value problem for duffusion-type equations in terms of solutions of certain Riccati and Ermakov-type systems. A nonautonomous Burgers-type equation is also considered.

Mathematical Physics · Physics 2011-03-08 Erwin Suazo , Sergei K. Suslov , Jose M. Vega-Guzman

We show that the umbral correspondence between differential equations can be achieved by means of a suitable transformation preserving the algebraic structure of the problems. We present the general properties of these transformations,…

Exactly Solvable and Integrable Systems · Physics 2007-05-23 G. Dattoli , D. Levi

Lie group method provides an efficient tool to solve nonlinear partial differential equations. This paper suggests a fractional Lie group method for fractional partial differential equations. A time-fractional Burgers equation is used as an…

Mathematical Physics · Physics 2015-05-20 Guo-cheng Wu

Backlund transformations are used to search for solutions, particularly soliton solutions, of non-linear differential equations. In this paper we present an invariant geometrical theory of Backlund transformations for second order evolution…

Differential Geometry · Mathematics 2007-05-23 A. K. Rybnikov

We present a new one parameter family of second derivative discontinuous solutions to the simplest scale invariant linear ordinary differential equation. We also point out how the construction could be extended to generate families of…

General Mathematics · Mathematics 2010-01-12 Dhurjati Prasad Datta , Manoj Kumar Bose

We study a formulation of Burgers equation on the Sierpinski gasket, which is the prototype of a p.c.f. self-similar fractal. One possibility is to implement Burgers equation as a semilinear heat equation associated with the Laplacian for…

Analysis of PDEs · Mathematics 2017-12-18 Michael Hinz , Melissa Meinert

We have constructed new formulae for generation of solutions for the nonlinear heat equation and for the Burgers equation that are based on linearizing nonlocal transformations and on nonlocal symmetries of linear equations. Found nonlocal…

Mathematical Physics · Physics 2008-04-24 Valentyn Tychynin , Olga Petrova , Olesya Tertyshnyk

We present a method for reducing the order of ordinary differential equations satisfying a given scaling relation (Majorana scale-invariant equations). We also develop a variant of this method, aimed to reduce the degree of non-linearity of…

Mathematical Physics · Physics 2007-05-23 Salvatore Esposito

The Moyal *-deformed noncommutative version of Burgers' equation is considered. Using the *-analog of the Cole-Hopf transformation, the linearization of the model in terms of the linear heat equation is found. Noncommutative q-deformations…

High Energy Physics - Theory · Physics 2007-05-23 L. Martina , O. K. Pashaev

A class of nonlinear reaction-diffusion-convection equations describing various processes in physics, biology, chemistry etc. is under study in the case of time and two space variables. The group of equivalence transformations is…

Analysis of PDEs · Mathematics 2020-04-23 Roman Cherniha , Mykola Serov , Yulia Prystavka

We present particular solutions for the following important nonlinear second order differential equations: modified Emden, generalized Lienard, convective Fisher, and generalized Burgers-Huxley. For the latter two equations these solutions…

Mathematical Physics · Physics 2009-11-11 O. Cornejo-Perez , H. C. Rosu

Via a Cole-Hopf transformation, the multicomponent linear heat hierarchy leads to a multicomponent Burgers hierarchy. We show in particular that any solution of the latter also solves a corresponding multicomponent (potential) KP hierarchy.…

Exactly Solvable and Integrable Systems · Physics 2009-01-08 Aristophanes Dimakis , Folkert Müller-Hoissen