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arXiv 1503.00825math.AP
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一般二阶不定常系数双曲型方程反问题

Inverse problems for general second order hyperbolic equations with time-dependent coefficients

Gregory Eskin

摘要:

本文研究了一般形式的具有不定常系数的二阶双曲型方程的反问题,假定边界数据是在部分边界上给定的。本文的主要结果是由边界测量确定了含时的不定常洛伦兹度规。这是通过修改作者在[E1]、[E2]中开发的边界控制方法的变体来实现的。

英文摘要:

We study the inverse problems for the second order hyperbolic equations of general form with time-dependent coefficients assuming that the boundary data are given on a part of the boundary. The main result of this paper is the determination of the time-dependent Lorentzian metric by the boundary measurements. This is achieved by the adaptation of a variant of the Boundary Control method developed by the author in [E1], [E2].

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