Tikhonov (russian: Ти́хонов, link=no; masculine), sometimes spelled as Tychonoff, or Tikhonova (; feminine) is a

Russian Russian(s) refers to anything related to Russia, including: *Russians (, ''russkiye''), an ethnic group of the East Slavic peoples, primarily living in Russia and neighboring countries *Rossiyane (), Russian language term for all citizens and peo ...

surname that is derived from the male given name

Tikhon Tikhon (russian: Ти́хон, uk, Ти́хон, Ти́хін, pl, Tychon) is a Slavic male given name of Greek origin, related to Western European Tycho. * Tikhon Bernstam (born 1979), American Internet entrepreneur * Tikhon Chicherin (1869–1 ...

, the Russian form of the Greek name Τύχων (Latin form: Tycho), and literally means ''Tikhon's''. It may refer to: *

Andrey Nikolayevich Tikhonov Andrey Nikolayevich Tikhonov (russian: Андре́й Никола́евич Ти́хонов; October 17, 1906 – October 7, 1993) was a leading Soviet Russian mathematician and geophysicist known for important contributions to topology, ...

, Russian mathematician * Alexander Tikhonov, Russian biathlon athlete * Alexei Tikhonov, Russian figure skater *

Andrey Tikhonov Andrey Valeryevich Tikhonov (russian: Андрей Валерьевич Тихонов; born 16 October 1970) is a Russian football manager and a former midfielder who was recently the manager of Kazakhstani club Astana. Tikhonov is primarily ...

, Russian football player and coach *, Soviet army officer and

Hero of the Soviet Union The title Hero of the Soviet Union (russian: Герой Советского Союза, translit=Geroy Sovietskogo Soyuza) was the highest distinction in the Soviet Union, awarded together with the Order of Lenin personally or collectively for ...

* Ivan Tikhonov, Russian-born Azerbaijani gymnast *

Mikhail Tikhonov Mikhail Fyodorovich Tikhonov (; 11 November 1900 – 11 February 1971) was a Soviet Army lieutenant general and Hero of the Soviet Union. Tikhonov fought in the Russian Civil War and the Winter War. He commanded the 39th Guards Rifle Corps durin ...

, Soviet soldier and Hero of the Soviet Union *Nikita Tikhonov, suspect in Stanislav Markelov murder case *

Nikolai Tikhonov Nikolai Aleksandrovich Tikhonov (russian: Николай Александрович Тихонов; ukr, Микола Олександрович Тихонов; – 1 June 1997) was a Soviet Russian-Ukrainian statesman during the Cold War. H ...

, former Premier of the Soviet Union *

Nikolai Tikhonov (writer) Nikolai Semenovich Tikhonov (russian: link=no, Никола́й Семёнович Ти́хонов; – 8 February 1979) was a Soviet writer and member of the Serapion Brothers literary group. Biography Born of parents who were petty tradesme ...

, Russian writer *

Nikolai Tikhonov (cosmonaut) Nikolay Vladimirovich Tikhonov (Russian Cyrillic: Николай Владимирович Тихонов; born May 23, 1982) is a retired Russian cosmonaut, selected in 2006. He was scheduled to make his first space flight in 2020, onboard Soyuz ...

, Russian cosmonaut *, Soviet pilot and

* Vasily Tikhonov (rower), Soviet rower *

Vasily Tikhonov (ice hockey coach) Vasili Viktorovich Tikhonov (13 May 1958 – 7 August 2013) was a Russian Coach (ice hockey), ice hockey coach. Biography Tikhonov was born and died in Moscow and was the son of legendary Soviet ice hockey coach Viktor Tikhonov (ice hockey, born 19 ...

, Russian ice hockey coach *, Soviet soldier and

* Viktor Tikhonov (politician), Ukrainian politician *, Soviet pilot and

Viktor Tikhonov (born 1930) Viktor Vasilyevich Tikhonov ( Russian: Виктор Васильевич Тихонов; 4 June 1930 – 24 November 2014) was a Soviet ice hockey player and coach. Tikhonov was a defenceman with VVS Moscow and Dynamo Moscow from 1949 to 1963, ...

, former coach for the Soviet national ice hockey team * Viktor Tikhonov (born 1988), Russian ice hockey player * Vladimir Tikhonov, Russian politician * Vladimir Tikhonov (gymnast), Soviet Olympic gymnast *

Vyacheslav Tikhonov Vyacheslav Vasilyevich Tikhonov (russian: Вячесла́в Васи́льевич Ти́хонов; 8 February 1928, in Pavlovsky Posad – 4 December 2009, in Moscow) was a Soviet and Russian actor whose best known role was as Soviet spy, ...

(1928-2009), Soviet actor * Anastasia Tikhonova, Russian tennis player * Katerina Tikhonova, Russian scientist and manager * Nina Tikhonova (1910-1995), Russian choreographic artist and dance instructor * Sofia Tikhonova, Russian ski jumper *

Tamara Tikhonova Tamara Ivanovna Tikhonova (russian: Тамара Ивановна Тихонова; born 13 June 1964) is a former Soviet Russian cross-country skier who competed from 1984 to 1992. She represented the Soviet Union at the 1988 Winter Olympics ...

, former Soviet Russian cross-country skier

Mathematics

* Tikhonov distribution, a random variable distribution *

Tikhonov regularization Ridge regression is a method of estimating the coefficients of multiple-regression models in scenarios where the independent variables are highly correlated. It has been used in many fields including econometrics, chemistry, and engineering. Also ...

, a method of regularization of ill-posed problems *

Tychonoff space In topology and related branches of mathematics, Tychonoff spaces and completely regular spaces are kinds of topological spaces. These conditions are examples of separation axioms. A Tychonoff space refers to any completely regular space that is ...

s, a completely regular topological spaces *

Tychonoff's theorem In mathematics, Tychonoff's theorem states that the product of any collection of compact topological spaces is compact with respect to the product topology. The theorem is named after Andrey Nikolayevich Tikhonov (whose surname sometimes is trans ...

, a result on topological spaces * Tychonoff separation axioms, in topology

Other uses

* Tikhonov (rural locality), a ''khutor'' in the Republic of Adygea, Russia {{disambig, surname Russian-language surnames