On May 14th, 2025, was successfully conducted the pre-defense of the scientific dissertation by PhD doctorate Ainura Mitalipova, in the specialty Mathematics, 510100. The dissertation is submitted in partial fulfillment of the requirements for the degree of Doctor of Philosophy (PhD). Supervisors: Doctor of Physical and Mathematical Sciences, Professor A.Y. Kurbanaliev, Osh State University, Kyrgyzstan. PhD, Professor Ramzan Ali, University of Science and Technology, Doha, Qatar. 29 17:00 14-05-2025