# Mathematician:Lev Semenovich Pontryagin

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## Mathematician

Russian mathematician who made major discoveries, mainly in the field of geometric topology.

## Nationality

Soviet Russian

## History

- Born: 3 Sept 1908, Moscow, Russia
- Died: 3 May 1988

## Theorems and Definitions

- Andronov-Pontryagin Criterion (with Aleksandr Aleksandrovich Andronov)
- Pontryagin's Maximum Principle
- Pontryagin Class
- Pontryagin Duality
- Pontryagin Space
- Pontryagin Square
- Pontryagin-Kuratowski Theorem, independently of Kazimierz Kuratowski (also known as Kuratowski's Theorem)

Results named for **Lev Semenovich Pontryagin** can be found here.

Definitions of concepts named for **Lev Semenovich Pontryagin** can be found here.

## Publications

- 1938:
*Topological Groups* - 1961:
*The Mathematical Theory of Optimal Processes* - 1998:
*Memoirs*

## Also known as

In Russian: **Лев Семёнович Понтрягин**