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math.AP2020★ 1 cited
Piecewise-analytic interfaces with weakly singular points of arbitrary order always scatter
Long Li, Guanghui Hu, Jiansheng Yang
It is proved that an inhomogeneous medium whose boundary contains a weakly singular point of arbitrary order scatters every incoming wave. Similarly, a compactly supported source t…
math.NA2020
Imaging of buried obstacles in a two-layered medium with phaseless far-field data
Long Li, Jiansheng Yang, Bo Zhang +1
The inverse problem we consider is to reconstruct the location and shape of buried obstacles in the lower half-space of an unbounded two-layered medium in two dimensions from phase…