In 1994, he proved the algorithmic insolvability of the closure problem for completely simple finite semi-groups. For the majority of algebraists, this result was quite unexpected, since until that time, all similar problems had had positive solutions.
Stanislav holds BS and MS in Applied Mathematics from Herzen State Pedagogical University of Russia, PhD in Mathematics and Physics from Institute of Mathematics and Computer Science of Academy of Science of Republic of Moldova and Dr. of Science (Habilitation) in Algebra and Numbers Theory from Steklov Institute of Russian Academy of Sciences.
Dr. Kublanovsky is a prominent math teacher. Many of his students won All-Russian and International math competitions:
Intel International Science and Engineering Fair (Intel ISEF). Louisville, KY, USA
Intel ISEF. Cleveland, OH, USA
Intel ISEF – Avangard. Moscow, Russia
Intel ISEF. Phoenix, Arizona, USA
Intel ISEF. Atlanta, GA, USA
Intel ISEF. St Petersburg Russia
International Young Scientists Conference. Denpasar, Bali, Indonesia
Intel ISEF. St. Petersburg, Russia
XIII Baltic Science and Engineering Fair, St. Petersburg, Russia
Director of the Laboratory of Mathematical Logic in the St. Petersburg branch of the Steklov Mathematical Institute within RAS, and the holder of honorary doctorates from a number of European universities. In 1970, he solved the 10th problem of Hilbert – one of the 23 famous mathematical problems set by the great German mathematician in 1900.
Yuri holds BS and MS in Mathematics from St. Petersburg State University and PhD and Dr. Science (Habilitation) in Mathematics from Steklov Institute of Mathematics of Russian Academy of Sciences.