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Vladimir Ilyin (mathematician)
Vladimir Aleksandrovich Ilyin ( rus, Влади́мир Алекса́ндрович Ильи́н; May 2, 1928 – June 26, 2014) was a Soviet and Russian mathematician, Professor at Moscow State University, Doctor of Science, Academician of the Russian Academy of Sciences who made significant contributions to the theory of differential equations, the spectral theory of differential operators, and mathematical modeling. Biography Ilyin was allowed to skip the first grade and start school from the second grade in Moscow in 1936 and finished school with a gold medal in 1945. After graduating from the Moscow State University Faculty of Physics, MSU Faculty of Physics in 1950 with Honours Ilyin continued education at the same faculty as a postgraduate student specializing in mathematical physics. In 1953 Ilyin obtained his Candidate of Science degree in Physics and Mathematics for the thesis «Diffraction of electromagnetic waves on some inhomogeneities», his scientific advisor be ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Kozelsk
Kozelsk (russian: Козе́льск) is a town and the administrative center of Kozelsky District in Kaluga Oblast, Russia, located on the Zhizdra River (Oka's tributary), southwest of Kaluga, the administrative center of the oblast. Population: History It was first mentioned in an 1146 chronicle as a part of Principality of Chernigov. Kozelsk became famous in the spring of 1238, when its twelve-year-old prince Vasily, son of Titus, had to defend the town against the army of Batu Khan. The latter dubbed it an "evil town" because its citizens had been fighting the attackers for seven weeks in a row, killing around four thousand enemy soldiers during the siege. The citizens of Kozelsk were greatly outnumbered and almost all of them died in battle. In 1446, Kozelsk was temporarily under the rule of the Grand Duchy of Lithuania. In 1494, the town was finally annexed by the Grand Duchy of Moscow. In 1607, one of Ivan Bolotnikov's units was located in Kozelsk and showed resistance ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
