21st-century Ukrainian mathematicians

The 21st century has seen a number of prominent Ukrainian mathematicians who have made significant contributions to various fields within mathematics. Here are a few notable figures: 1. **Grigory Margulis** - Although he began his career in the late 20th century, Margulis has continued to be an influential mathematician. He is known for his work in the fields of group theory, ergodic theory, and differential geometry. He received the Fields Medal in 1978.