Mathematics

1. Operators 100%
2. Hardy Space 55%
3. Toeplitz Operator 50%
4. Function Space 47%
5. Constant 44%
6. Fourier Multipliers 42%
7. Lp Space 35%
8. Essential Norm 30%
9. Variables 25%
10. Approximation Property 22%
11. Singular Integral Operator 22%
12. Zeros 19%
13. Resolvent 19%
14. Compact Operators 18%
15. Maximal Operator 18%
16. Banach Space 18%
17. Negative Eigenvalue 16%
18. Pseudodifferential Operator 16%
19. Level Set 16%
20. Liouville's Theorem 16%
21. Shift Operator 16%
22. Associate Space 14%
23. Linear Operator 13%
24. Asymptotics 13%
25. Factorization 13%
26. Unit Circle 13%
27. Self-Adjoint Operator 12%
28. Bounded Linear Operator 12%
29. Coincides 11%
30. Sharp Estimate 11%
31. Essential Spectrum 11%
32. Open Problem 11%
33. Spectral Theory 11%
34. Singular Measures 11%
35. Entire Function 11%
36. Convolution 11%
37. Invariant Space 11%
38. Sufficient Condition 10%
39. Sequences 10%
40. Generators 9%
41. Subspace 8%
42. Continuous Function 8%
43. Lipschitz 7%
44. Number 7%
45. Curve 7%
46. Lower Estimate 7%
47. Banach Algebras 7%
48. Constant Coefficient 7%
49. Polynomial 7%
50. Converges 6%