Messirdi, Bekkai; Bekkara, Samir; Senoussaoui, Abderrahmane
(Electronic Journal of Differential Equations (EJDE)[electronic only], 2009)
In this paper , we introduce a class of generalized integral operators
that includes Fourier integral operators . We establish some conditions on these
operators such that they do not have bounded extension on L2(Rn): ...