%0 Journal Article
%T Bounded sequence of symbol classes of pseudodifferential operator
%A Sh. Hussein
%A M. El-Moudier Gobar
%J International Journal of Mathematical Analysis
%D 2013
%I 
%X We investigate the properties of an exotic sequence of symbol classes ofpseudodifferential operators. A sequence of Sjostrand's classes will be discussin methods of time-frequency analysis .The time frequency leads to simpleSjostrand's fundamental results of modifying generalizations.
%K Pseudodifferential operators
%K exotic sequence of symbol classes
%K Wigner distribution
%K Gabor frame
%K short-time Fourier transform
%K spectral invariance
%K almost diagonalization
%K modulation space
%K Wiener's lemma
%U http://www.m-hikari.com/ijma/ijma-2013/ijma-5-8-2013/gobarIJMA5-8-2013.pdf