Definitions

1. noun

A Russian-born American mathematician who proved the Poincaré conjecture, a major problem in topology.

“Grigori Perelman is known for his work on the Poincaré conjecture.”

2. proper noun

Refers to Grigori Perelman specifically, often used in the context of his personal life or work.

“Perelman’s reclusive nature has sparked public interest in his life.”