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    • Composition of Fourier integral operators with fold and blowdown singularities 

      Felea, Raluca (Taylor and Francis, 2005-11)
      The purpose of this work is to present results about the composition of Fourier integral operators with certain singularities, for which the composition is not again a Fourier integral operator. The singularities considered ...
    • Displacement of artifacts in inverse scattering 

      Felea, Raluca (The Institute of Physics (IOP), 2007-08)
      We analyze further inverse problems related to synthetic aperture radar imaging considered by Nolan and Cheney (2002 Inverse Problems 18 221). Under a nonzero curvature assumption, it is proved that the forward operator F ...