On May 16, 2018, a wonderful mathematician Sergey Kolyada died in Kiev (born in 1957), from 2006 to 2014, who headed the Kiev mathematical society and did a lot to cooperate the scientists of our two countries. Ch. scientific. sore. The St. Petersburg branch Mian Anatoly Versik wrote the following about him:
“Sergey Kolyada in 2006 created and until 2014 headed the Kiev mathematical society, with its inherent energy, trying to organize the work of society in a modern style. His connections with European mathematical centers helped in this. Our contacts were also connected with this. The last time I came to Kyiv partly on his invitation for a report at a meeting of the company in May 2014. Kyiv mathematicians will not have enough initiatives of S. Kolyada. I hope that his name will not be forgotten. "
The President of the Moscow Mathematical Society , Viktor Vasiliev, sent to Professor Anatoly Nikitin , the president of the Kiev mathematical society, the following letter:
“The deeply lucid president, accept our sincere condolences in connection with the premature death of the remarkable mathematics and man, the tireless worker Sergei Fedorovich Kolyada. I am sure that his wisdom, firmness and energy, his service to his work and the country, his bright smile will not be forgotten and will bring good for many years. Transfer our sincere condolences to the family and friends of Sergey Fedorovich, the Kyiv mathematical society, all Ukrainian mathematicians. ”