Candidate’s full name: Ydyrys Aizhan.

The full title of the dissertation theme: Asymptotic estimates of sums of multiple trigonometric series and multipliers for multiple Fourier series.

Specialty: "6D060100 – Mathematics".

The dissertation is carried out at the Department of Fundamental Mathematics of L.N. Gumilyov Eurasian National University.

Local scientific supervisor: Nursultanov Yerlan Dautbekovich, Doctor of Physical and Mathematical Sciences, Professor, L.N. Gumilyov Eurasian National University, Astana.

Foreign scientific supervisor: Dyachenko Mikhail Ivanovich, Doctor of Physical and Mathematical Sciences, Professor, Lomonosov Moscow State University, Moscow, Russia.

1. Official reviewer: Bazarkhanov Daurenbek Bolysbekovich, Candidate of Physical and Mathematical Sciences, Professor, Institute of Mathematics and Mathematical Modeling, Almaty, Kazakhstan, specialty 01.01.01.

2. Official reviewer: Tokmagambetov Niyaz Esenzholovich, PhD, Associate Professor, Al-Farabi Kazakh National University, Almaty, Kazakhstan, specialty "6D060100 – Mathematics".

The defense is going to take place in December 14, 2018 at 14:00 in the dissertation council at Al-Farabi Kazakh National University for the group of specialties "6D060100 – Mathematics", "6D060300 – Mechanics", "6D070500 – Mathematical and Computer Modeling", "6D074600 – Space engineering and technology" at the address: 050040, Almaty, al-Farabi avenue, 71, Faculty of Mechanics and Mathematics, lecture hall 213.

Language of the defense: Russian.