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arXiv 1202.1263math.AP
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二维Stokes系统Robin系数的稳定性估计

Stability estimates for a Robin coefficient in the two-dimensional Stokes system

Muriel Boulakia, Anne-Claire Egloffe, Celine Grandmont

摘要:

在本文中,我们考虑的斯托克斯方程,我们关心的反问题,确定罗宾系数的一些不可访问的部分的边界上的其他部分的可用数据。首先研究Robin系数的可辨识性,然后利用A. L. Bukhgeim和假设下,一个给定的参考解决方案的速度保持远离0的一部分,其中规定罗宾条件的边界。

英文摘要:

In this paper, we consider the Stokes equations and we are concerned with the inverse problem of identifying a Robin coefficient on some non accessible part of the boundary from available data on the other part of the boundary. We first study the identifiability of the Robin coefficient and then we establish a stability estimate of logarithm type thanks to a Carleman inequality due to A. L. Bukhgeim and under the assumption that the velocity of a given reference solution stays far from 0 on a part of the boundary where Robin conditions are prescribed.

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