Across
- 1. Gives name to a periodicity property
- 3. Certain type of orthogonal polynomials
- 5. Gave a rule for inverting conditional probabilities
- 7. Analyzed singularities of ODEs
- 11. Gives name to isometries of Riemannian spaces
- 15. Axiomatized probability theory
- 16. Pioneer in set theory
- 18. Name of mathematician and writer J. Taine
- 19. Famous topologist
- 20. Author of famous catalogue on differential equations
Down
- 2. Polish logician
- 4. Pioneer in group theory
- 5. Expert in measure theory
- 6. French geometer of the XIX Century
- 8. Gives name to the characteristic of polyhedra
- 9. Gives name to a transformation in integral geometry
- 10. Famous number theorist
- 12. Pioneer on logarithms
- 13. Introduced continuous groups of transformations
- 14. Founder of sequential analysis
- 15. Creator of Erlangen's program
- 17. Famous for catastrophe theory
- 18. Shares an important theorem with S. Ulam
