On October 24, 2023, at 4:00 p.m. via the link an extended session of the professional scientific seminar of the Department of Theoretical Radiophysics of the V. N. Karazin Kharkiv National University will take place. The seminar will discuss the scientific report of the junior researcher, senior lecturer of the Department of Theoretical Radiophysics, Faculty of Radiophysics, Biomedical Electronics and Computer Systems of V. N. Karazin Kharkiv National University of Khrychov V.S. to obtain the degree of Doctor of Philosophy in the field of knowledge 10 – Natural sciences with a specialty 105 – Applied physics and nanomaterials. Everyone is welcome!