Editing Andrey Tikhonov (mathematician) (section)

{{Short description|Soviet mathematician (1906–1993)}}
{{Infobox scientist
| name                    = Andrey Tikhonov
| image                   = Tychonoff.jpg
| image_size              = 200px
| caption                 = Tikhonov in 1975
| birth_date              = {{Birth date|1906|10|17|df=y}}
| birth_place             = [[Gzhatsk]], [[Russian Empire]]
| death_date              = {{death date and age|1993|10|7|1906|10|30|df=y}}
| death_place             = [[Moscow, Russia]]
| field                   = [[Mathematics]]
| work_institution        = [[Moscow State University]]
| alma_mater              = [[Moscow State University]]
| doctoral_advisor        = [[Pavel Alexandrov]]
| doctoral_students       = [[Alexander Andreevich Samarskii|Aleksandr Andreyevich Samarskiĭ]]<br>[[Alexei Georgievich Sveshnikov]]
| known_for               = Important contributions to [[topology]], [[functional analysis]], [[mathematical physics]], [[ill-posed problem]]s; 
*[[Tychonoff space]]s, 
*[[Tychonoff's theorem]], 
*[[Tikhonov regularization]], 
*[[Tikhonov's theorem (dynamical systems)]], 
*[[magnetotellurics]] geophysical method.
| prizes                  = 
| footnotes               = 
}}
'''Andrey Nikolayevich Tikhonov''' ({{langx|ru|Андре́й Никола́евич Ти́хонов}}; 17 October 1906 &ndash; 7 October 1993) was a leading [[USSR|Soviet Russian]]  [[mathematician]] and [[geophysicist]] known for important contributions to [[topology]], [[functional analysis]], [[mathematical physics]], and [[ill-posed problem]]s. He was also one of the inventors of the [[magnetotellurics]] method in geophysics. Other transliterations of his surname include "Tychonoff", "Tychonov", "Tihonov", "Tichonov".