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Sergey Kitaev
Sergey Kitaev (Russian: Сергей Владимирович Китаев; born 1 January 1975 in Ulan-Ude) is a Professor of Mathematics at the University of Strathclyde, Glasgow, Scotland. He obtained his Ph.D. in mathematics from the University of Gothenburg in 2003 under the supervision of Einar Steingrímsson. Kitaev's research interests concern aspects of combinatorics and graph theory. Contributions Kitaev is best known for his book ''Patterns in permutations and words'' (2011), an introduction to the field of permutation patterns In combinatorics, combinatorial mathematics and theoretical computer science, a (classical) permutation pattern is a sub-permutation of a longer permutation. Any permutation may be written in Permutation#One-line_notation, one-line notation as a seq .... He is also the author (with Vadim Lozin) of ''Words and graphs'' (2015) on the theory of word-representable graphs which he pioneered. Kitaev has written over 120 research articles in mat ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ulan-Ude
Ulan-Ude (; , ; , ) is the capital city of Buryatia, Russia, located about southeast of Lake Baikal on the Uda River, Buryatia, Uda River at its confluence with the Selenga River, Selenga. According to the Russian Census (2021), 2021 Census, 437,565 people lived in Ulan-Ude; up from 404,426 recorded in the Russian Census (2010), 2010 Census, making the city the third-largest in the Russian Far East by population. Names Ulan-Ude was first called Udinskoye (, ) for its location on the Uda River (Republic of Buryatia), Uda River. It was founded as a small fort in 1666. From around 1735, the settlement was called Udinsk (, ) and was granted town status under that name in 1775. It was renamed Verkhneudinsk (, ; "Upper Udinsk") in 1783, to differentiate it from Nizhneudinsk ("Lower Udinsk") lying on a different Chuna River, Uda River near Irkutsk which was granted town status that year. The descriptors "upper" and "lower" refer to the positions of the two cities relative to each othe ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Graph Theory
In mathematics and computer science, graph theory is the study of ''graph (discrete mathematics), graphs'', which are mathematical structures used to model pairwise relations between objects. A graph in this context is made up of ''Vertex (graph theory), vertices'' (also called ''nodes'' or ''points'') which are connected by ''Glossary of graph theory terms#edge, edges'' (also called ''arcs'', ''links'' or ''lines''). A distinction is made between undirected graphs, where edges link two vertices symmetrically, and directed graphs, where edges link two vertices asymmetrically. Graphs are one of the principal objects of study in discrete mathematics. Definitions Definitions in graph theory vary. The following are some of the more basic ways of defining graphs and related mathematical structures. Graph In one restricted but very common sense of the term, a graph is an ordered pair G=(V,E) comprising: * V, a Set (mathematics), set of vertices (also called nodes or points); * ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Novosibirsk State University Alumni
Novosibirsk is the largest city and administrative centre of Novosibirsk Oblast and the Siberian Federal District in Russia. As of the 2021 Russian census, 2021 census, it had a population of 1,633,595, making it the most populous city in Siberia and the list of cities and towns in Russia by population, third-most populous city in Russia after Moscow and Saint Petersburg. Additionally, it is the largest city in the Asian part of Russia and the most populous city in the country that does not have the status of a Federal subjects of Russia, federal subject. Novosibirsk is located in southwestern Siberia, on the banks of the Ob River. Novosibirsk was founded in 1893 on the Ob River crossing point of the future Trans-Siberian Railway, where the Novosibirsk Rail Bridge was constructed. Originally named Novonikolayevsk ("New Nicholas") in honor of Nicholas II of Russia, Emperor Nicholas II, the city rapidly grew into a major transport, commercial, and industrial hub. Novosibirsk was r ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
