Inverse problems of the wave equation for media with mixed but separated heterogeneous parts
Mishio Kawashita,
Wakako Kawashita
Abstract:In this article, the inverse problems for the wave equation in a medium
in which multiple types of cavities and inclusion exist in a mixture are
considered. From the point of view of the indicator function of the
enclosure method, there are two types of heterogeneous parts:“minus
group” and “plus group”. For example, cavities with the Dirichlet
boundary condition belong to the minus group, while inclusions with
smaller propagation velocity belong to the plus group. The heterogeneous
part of the minus group giv… Show more
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