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Preprints, Working Papers, ... Year : 2009

A new stability results for the backward heat equation

Abstract

In this paper, we regularize the nonlinear inverse time heat problem in the unbounded region by Fourier method. Some new convergence rates are obtained. Meanwhile, some quite sharp error estimates between the approximate solution and exact solution are provided. Especially, the optimal convergence of the approximate solution at t = 0 is also proved. This work extends to many earlier results in (f2,f3, hao1,Quan,tau1, tau2, Trong3,x1).
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Dates and versions

hal-00431878 , version 1 (13-11-2009)

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Alain Pham Ngoc Dinh, Dang Duc Trong, Pham Hoang Quan, Nguyen Huy Tuan. A new stability results for the backward heat equation. 2009. ⟨hal-00431878⟩
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