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math-ph2004★ 2 cited
Analysis of a method for identification of obstacles
Alexander G. Ramm, Semion Gutman
Some difficulties are pointed out in the methods for identification of obstacles based on the numerical verification of the inclusion of a function in the range of an operator. Num…
math-ph2004
Modified Rayleigh Conjecture method for multidimensional obstacle scattering problems
S. Gutman, A. G. Ramm
The Rayleigh conjecture on the representation of the scattered field in the exterior of an obstacle is widely used in applications. However this conjecture is false for some ob…