AN INVERSE BOUNDARY VALUE PROBLEM FOR QUASILINEAR ELLIPTIC EQUATIONS

AN INVERSE BOUNDARY VALUE PROBLEM FOR QUASILINEAR ELLIPTIC EQUATIONS
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拟线性椭圆方程的反边值问题

DOI:
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发表时间:
2002
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通讯作者:
Ziqi Sun
Ziqi Sun
中科院分区:
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作者:
David Hervas;Ziqi Sun

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摘要 我们考虑二维有界域上拟线性椭圆方程的逆边值问题。我们证明,在固定域边界的微分同态群下,只要 A(x, p) 独立于 x 或独立于 p,则拟线性系数 A(x, p) 的等价类可以通过方程的狄利克雷到诺依曼映射来区分。
ABSTRACT We consider the inverse boundary value problem for the quasilinear elliptic equation on a bounded domain in dimension two. We show that under the group of diffeoemorphisms that fix the boundary of the domain, the equivalent class of the quasilinear coefficient A(x, p) is distinguishable by the Dirichlet to Neumann map of the equation, provided that A(x, p) is independent of x or is independent of p.