Nikolay Nikolayevich Bogolyubov was a Soviet mathematician and theoretical physicist known for a significant contribution to quantum field theory, classical and quantum statistical mechanics, and the theory of dynamical systems; he was the…
About the life and heroic death of the old Bolshevik-Lugansk resident, participant in the civil war, Aleksandr Yakovlevich Parkhomenko. In 1918, capturing Ukraine, the German occupiers sought to use…
Nikolay Nikolayevich Bogolyubov [a ] (21 August 1909 – 13 February 1992) was a Soviet mathematician and theoretical physicist known for a significant contribution to quantum field theory, classical and quantum statistical mechanics, and the…
During repeated internecine wars between the princely clans, Andrey accompanied his father Yuri Dolgorukiy during a brief capture of Kiev in 1149. 20 years later, his son led the Sack of Kiev (1169). [3 ] [4 ] He was canonized as a saint in…