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  1. Lev Semyonovich Pontryagin ( Russian: Лев Семёнович Понтрягин, also written Pontriagin or Pontrjagin, first name sometimes anglicized as Leon) (3 September 1908 – 3 May 1988) was a Soviet mathematician. Completely blind from the age of 14, he made major discoveries in a number of fields of mathematics, including algebraic ...

  2. Lev Semenovich Pontryagin's father, Semen Akimovich Pontryagin was a civil servant. Pontryagin's mother, Tat'yana Andreevna Pontryagina, was 29 years old when he was born and she was a remarkable woman who played a crucial role in his path to becoming a mathematician. Perhaps the description of 'civil servant', although accurate, gives the ...

  3. Lev Pontryagin authored about 300 publications, including several monographs and coursebooks. For his contribution to science, he was awarded a number of Soviet state prizes and other high awards ...

    • Boris Egorov
  4. Lev Semyonovich Pontryagin (born September 3, 1908, Moscow—died May 3, 1988, Moscow) was a Russian mathematician, noted for contributions to topology, algebra, and dynamical systems. Pontryagin lost his eyesight as the result of an explosion when he was about 14 years old.

    • The Editors of Encyclopaedia Britannica
  5. Pontryagin's maximum principle. Pontryagin's maximum principle is used in optimal control theory to find the best possible control for taking a dynamical system from one state to another, especially in the presence of constraints for the state or input controls. It states that it is necessary for any optimal control along with the optimal state ...

  6. Lev Semenovich Pontryagin. 1908-1988. Russian mathematician who contributed to the study of overlapping aspects of algebra and topology, and later, control theory. After Pontryagin was blinded in an explosion, his mother devoted herself to his education and he subsequently earned a degree from the University of Moscow in 1929. Pontryagin joined ...

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  8. In this video, we delve into the extraordinary life of Lev Pontryagin, a remarkable blind mathematician who defied all odds to make groundbreaking contributi...

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