Ido Efrat

Mathematics

1. Galois group 100%
2. Pro-p Groups 50%
3. Profinite Groups 35%
4. Valuation 35%
5. Roots of Unity 31%
6. Prime number 29%
7. Filtration 28%
8. Galois Cohomology 28%
9. Free Group 26%
10. Subgroup 26%
11. Quotient 18%
12. Primitive Roots 16%
13. Lyndon Words 16%
14. Shuffle 16%
15. Closed 15%
16. Finitely Generated 14%
17. Cohomology Group 14%
18. Fold 14%
19. Cohomology 13%
20. Normal subgroup 12%
21. Galois 11%
22. Ring 11%
23. Brauer Group 11%
24. Algebraic extension 10%
25. Local Field 9%
26. Witt Ring 9%
27. Function Fields 9%
28. Intersection 8%
29. kernel 8%
30. Odd 8%
31. Upper triangular matrix 7%
32. Restriction 7%
33. Finitely Generated Group 7%
34. Pythagoras 6%
35. Chebyshev System 6%
36. Algebra 6%
37. Combinatorics 6%
38. Local-global Principle 6%
39. Hasse Principle 6%
40. Characterization 6%
41. Finite Group 6%
42. Lower Central Series 6%
43. Differential Graded Algebra 6%
44. Real Closed Fields 5%
45. Generalise 5%
46. Valued Fields 5%
47. Cohomology Ring 5%
48. Algebraic Approach 5%