 21st-century Czech mathematicians

The 21st century has seen a number of notable Czech mathematicians contributing to various fields of mathematics, including number theory, algebra, topology, and applied mathematics. Some prominent figures include: 1. **Jan Šebestík** - Known for his work in mathematical logic and set theory. 2. **Petr P. Šafářik** - Engaged in various mathematical research areas, including combinatorics and graph theory.