A modified quasi-boundary value method for an abstract ill-posed biparabolic problem

Autor: Boussetila Nadjib, Khelili Besma, Rebbani Faouzia
Rok vydání: 2017
Předmět:
Zdroj: Open Mathematics, Vol 15, Iss 1, Pp 1649-1666 (2017)
ISSN: 2391-5455
DOI: 10.1515/math-2017-0140
Popis: In this paper, we are concerned with the problem of approximating a solution of an ill-posed biparabolic problem in the abstract setting. In order to overcome the instability of the original problem, we propose a modified quasi-boundary value method to construct approximate stable solutions for the original ill-posed boundary value problem. Finally, some other convergence results including some explicit convergence rates are also established under a priori bound assumptions on the exact solution. Moreover, numerical tests are presented to illustrate the accuracy and efficiency of this method.
Databáze: OpenAIRE