Mathematician:Lev Semenovich Pontryagin

Lev Semenovich Pontryagin (Russian: Лев Семёнович Понтрягин) 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
 * Pontryagin's Maximum Principle
 * Pontryagin Class
 * Pontryagin Duality
 * Pontryagin Space
 * Pontryagin Square

Books and Papers

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