Proper noun
Smale (plural Smales)
A surname.
His first contribution is the Smale horseshoe that jumpstarted significant research in dynamical systems. Source: Internet
His first contribution is the Smale horseshoe that started significant research in dynamical systems. Source: Internet
However, with some luck, Smale was accepted as a graduate student at the University of Michigan's mathematics department. Source: Internet
Earlier in his career, Smale was involved in controversy over remarks he made regarding his work habits while proving the higher-dimensional Poincaré conjecture. Source: Internet
Smale conjectured that if M is an oriented smooth closed manifold, the identity component of the group of orientation-preserving diffeomorphisms is simple. Source: Internet
This closely related set of problems has been cited by Stephen Smale as among the 18 greatest unsolved problems of the 21st century. Source: Internet