Journal of Analysis and Applications (ISSN: 0972-5954) Volume 16 . Number 1                                                                     March 2018 CONTENTS About the D-Bar reconstruction method for complex conductivities: Error estimates S. El Kontar, H. Chrayteh, T. EL Arwadi and J.-M. Sac-Epee Solution of fourth order boundary value problems using Chebyshev method O.M. Ogunlaran and S.C. Oukouomi Noutchie On the powers of operator generated by rotation A.B. Antonevich and A.A. Shukur $L^{\infty}$ error estimate of parabolic variational inequality arising out of the pricing of American option S. Madi, M.C. Bouras and M. Haiour