• Sergei Ivanovich Adian, also Adyan (Armenian: Սերգեյ Իվանովիչ Ադյան; Russian: Серге́й Ива́нович Адя́н; 1 January 1931 – 5 May 2020), was a Soviet and Armenian...
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  • Thumbnail for Burnside problem
    all elements have uniformly bounded order. In 1968, Pyotr Novikov and Sergei Adian supplied a negative solution to the bounded exponent problem for all...
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  • presentable groups are algorithmically undecidable. The theorem is due to Sergei Adian (1955) and, independently, Michael O. Rabin (1958). A Markov property...
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  • group is trivial is undecidable, a consequence of the Adian–Rabin theorem due to Sergei Adian and Michael O. Rabin. The group isomorphism problem, in...
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  • held both positions until he retired in 1972 and 1973 respectively. Sergei Adian and Albert Muchnik were among his students. Novikov is known for his...
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  • to have free subgroups of rank 2, are not amenable. Two years later, Sergei Adian showed that certain Burnside groups are also counterexamples. None of...
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  • Thumbnail for Sergei Dudakov
    Kostornaia, Anna Shcherbakova, Alexandra Trusova, Kamila Valieva, Sergei Voronov (2013–16), Adian Pitkeev (until 2016), Moris Kvitelashvili, and Polina Tsurskaya...
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  • Thumbnail for List of Russian mathematicians
    algorithm, developer of Kaissa, the first world computer chess champion Sergei Adian, known for his work in group theory, especially on the Burnside problem...
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  • color television Vadym Adamyan (born 1938)  – theoretical physicist Sergei Adian (1931–2020)  – mathematician, head of the department of mathematical...
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  • Thumbnail for Adian Pitkeev
    Adian Yuryevich Pitkeev (Russian: Адьян Юрьевич Питкеев; born 16 May 1998) is a Russian former figure skater. The 2015 Russian national bronze medalist...
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  • Thumbnail for Lists of Armenians
    historian, specialising in Byzantine and Armenian studies, and a philologist Sergei Adian, mathematician, head of the department of Mathematical Logic of the Steklov...
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  • Thumbnail for Armenians in Russia
    Adamian (1879–1932), engineer, one of the founders of color television Sergei Adian (1931–2020), one of the most prominent Soviet mathematicians Tateos Agekian...
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  • Peter Abelard (France, 1079–1142) Wilhelm Ackermann (Germany, 1896–1962) Sergei Adian (Russia/Soviet Union/Armenia, 1931–2020) Rodolphus Agricola (Germany...
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  • Seosan Sequent calculus Sequential logic Serge Moscovici Sergei Adian Sergei Bulgakov Sergei Nikolaevich Trubetskoy Sergio Panunzio Serial position effect...
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  • Thumbnail for Alexander Razborov
    Mathematician Institutions University of Chicago, Steklov Mathematical Institute, Toyota Technological Institute at Chicago Doctoral advisor Sergei Adian...
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  • astronomer (b. 1948) Zhang Qian'er, Chinese chemist (b. 1928) May 5 Sergei Adian, Russian mathematician (b. 1931) Brian Axsmith, American paleobotanist...
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  • Thumbnail for Ganja, Azerbaijan
    SSR Communist Party Abram Alikhanov and Artem Alikhanian, physicists Sergei Adian, Soviet mathematician Albert Azaryan, artistic gymnast and Olympic champion...
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  • 69, American carpenter and activist, bladder cancer. Sergei Adian, 89, Russian mathematician (Adian–Rabin theorem). Renee Amoore, 67, American politician...
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  • Thumbnail for Eteri Tutberidze
    original on 23 August 2014. "Adian PITKEEV". International Skating Union. Archived from the original on 25 August 2014. "Sergei VORONOV". International Skating...
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  • Thumbnail for Gennady Makanin
    finitely-presented groups and semigroups) was supervised by Andrey Markov Jr. and Sergei Adian. Makanin spent his career (since 1966) working at the Steklov Institute...
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  • (100%) 325 120 0 225 219 2013/2014 season (70%) 110 142 127 0 0 21  RUS Adian Pitkeev 2534 2015/2016 season (100%) 0 360 236 243 219 2014/2015 season...
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  • Thumbnail for Great Russian Encyclopedia
    are or were: RAS Academics: Sergey S. Averintsev, Eugene N. Avrorin, Sergei I. Adian, Yuri P. Altukhov [ru], Zhores I. Alferov, Boris V. Anan'ich [ru],...
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  • Thumbnail for Russian Figure Skating Championships
    Maxim Kovtun Evgeni Plushenko Sergei Voronov 2015 Sochi Maxim Kovtun Sergei Voronov Adian Pitkeev 2016 Yekaterinburg Maxim Kovtun Mikhail Kolyada Alexander...
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  • Sintsov. Artem Borodulin withdrew from the men's event and was replaced by Adian Pitkeev. Kristina Gorshkova / Vitali Butikov withdrew from the ice dancing...
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  • Thumbnail for World Junior Figure Skating Championships
    2013 Milan Joshua Farris Jason Brown Shotaro Omori 2014 Sofia Nam Nguyen Adian Pitkeev Nathan Chen 2015 Tallinn Shoma Uno Jin Boyang Sōta Yamamoto 2016...
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  • Saransk Mikhail Kolyada Alexander Samarin Alexander Petrov 2013–14 Saransk Adian Pitkeev Alexander Petrov Moris Kvitelashvili 2014–15 Yoshkar-Ola Alexander...
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  • Boyang Adian Pitkeev Shoma Uno JGP Mexico Nathan Chen Ryuju Hino Daniel Samohin JGP Slovakia Keiji Tanaka Zhang He Mikhail Kolyada JGP Poland Adian Pitkeev...
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  • "Matthew Davies". International Skating Union. "Competition Results – Sergei Davydov". International Skating Union. "Competition Results – Derrick Delmore"...
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  • 2016/2017 season (100%) 0 0 0 219 0 2015/2016 season (70%) 0 0 0 0 0 86  RUS Adian Pitkeev 740 2017/2018 season (100%) 0 0 0 0 0 2016/2017 season (100%) 0...
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  • Thumbnail for Rostelecom Cup
    Kovtun Javier Fernández 2014 Javier Fernández Sergei Voronov Michal Březina 2015 Javier Fernández Adian Pitkeev Ross Miner 2016 Javier Fernández Shoma...
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