Abstract: The volume is dedicated to Valery Vasil'evich Kozlov, an outstanding
scientist and science administrator, on the occasion of his 70th birthday.
The articles of the volume, written mainly by students and colleagues of
V. V. Kozlov, are devoted to modern problems of mechanics, dynamical
systems theory, and mathematical physics. The results of most of the
articles were presented at the International Conference on Classical
Mechanics, Dynamical Systems and Mathematical Physics dedicated to the 70th
birthday of V. V. Kozlov (January 20–24, 2020).