Dedicated to the memory of Professor N. D. Kopachevsky

Editor-in-Chief

Revaz Gamkrelidze, Steklov Mathematical Institute of Russian Academy of Sciences (Moscow, Russia)

Deputy Editor

Alexander Skubachevskii, RUDN University (Moscow, Russia)

Executive Secretary

Evgeniy Varfolomeev, RUDN University (Moscow, Russia)

Editorial Board

Andrei Agrachev, International School for Advanced Studies (SISSA) (Trieste, Italy), Steklov Mathematical Institute of Russian Academy of Sciences (Moscow, Russia)

Pavel Krasil'nikov, Moscow Aviation Institute (National Research University) (Moscow, Russia)

Andrey Muravnik, RUDN University (Moscow, Russia); JSC “Concern “Sozvezdie” (Voronezh, Russia)

Alexey Ovchinnikov, Lomonosov Moscow State University (Moscow, Russia); Russian Institute for Scientific and Technical Information of Russian Academy of Sciences (Moscow, Russia)

Vladimir Popov, Steklov Mathematical Institute of Russian Academy of Sciences (Moscow, Russia)

Andrei Sarychev, University of Florence (Florence, Italy)