Preface Gulom Uzakov, Ramazon Abdullozoda, Elena Bovtrikova, Arthur Gibadullin, Bobir Toshmamatov, Dmitry Morkovkin and Shahriyor Sadullozoda E3S Web Conf., 411 (2023) 00001 Published online: 10 August 2023 DOI: 10.1051/e3sconf/202341100001