Mathematics

1. Approximation Problem 13%
2. Banach algebra 71%
3. Banach space 52%
4. Bounded Linear Operator 36%
5. Bounded Operator 56%
6. Boundedness 14%
7. Calculus 67%
8. Compact Set 28%
9. Complex conjugate 46%
10. Computing 22%
11. Constant function 13%
12. Decay 30%
13. Differentiability 17%
14. Distinct 29%
15. Eigenvalue 17%
16. Functional Calculus 89%
17. Hilbert space 47%
18. Indefinite Systems 17%
19. Jordan Block 37%
20. Lemniscate of Bernoulli 80%
21. Linear Operator 62%
22. Lower bound 24%
23. Matrix Nearness Problem 21%
24. Multiplicity 14%
25. Necessary 20%
26. Norm 18%
27. Normal Equations 15%
28. Operator 31%
29. Polynomial 100%
30. Polynomial Approximation 12%
31. Power series 23%
32. Precondition 16%
33. Preconditioning 12%
34. Projection 27%
35. Pseudospectra 50%
36. Quasinilpotent Operator 55%
37. Rational function 32%
38. Resolvent 53%
39. Roots 37%
40. Semigroup 13%
41. Solvability 15%
42. Spectral Projection 25%
43. Spectral Theory 19%
44. Speed of Convergence 14%
45. Square matrix 19%
46. Stokes' theorem 13%
47. Sylvester Equation 65%
48. Unital 18%
49. Unitarity 16%
50. Vertical 22%