Asymptotics of solving a singularly perturbed system of transport equations with fast and slow components in the critical case

Autor:	Nesterov, Andrey
Rok vydání:	2023
Předmět:	Mathematics - Analysis of PDEs 35C20 (Primary) 35F35 (Secondary)
Druh dokumentu:	Working Paper
Popis:	An asymptotic expansion with respect to a small parameter of the solution of the Cauchy problem is constructed for a system of three transfer equations, two of which are singularly perturbed by the degeneracy of the entire senior part of the transfer operator, and the third equation clearly does not contain a small parameter. The peculiarity of the problem is that it belongs to the so-called critical case: the solution of a degenerate problem is a one-parameter family. The asymptotic expansion of the solution under smooth initial conditions is constructed as the sum of the regular part and boundary functions.
Databáze:	arXiv
Externí odkaz:	http://arxiv.org/abs/2308.10670 Zobrazit plný text záznamu View this record from Arxiv