The meeting of the Dissertation Council D 01.111 to award the degree of Doctor of Science and Doctor of Philosophy in Mathematics at the Institute of Mathematics and Mechanics of ANAS the defense of the habilitation (Doctor of Sciences) thesis in mathematics by title “On spectral properties of some differential operators of quantum mechanics” of Elshad Hatam oglu Eyvazov by the specialty 1211.01-Differential equations on December 27, 2016 in 1400 .