| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| hilbert space norm | 1.55 | 0.3 | 8903 | 56 | 18 |
| hilbert | 0.46 | 0.1 | 9663 | 62 | 7 |
| space | 1.11 | 0.5 | 7040 | 6 | 5 |
| norm | 0.2 | 0.6 | 8239 | 62 | 4 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| hilbert space norm | 0.8 | 0.1 | 8025 | 53 |
| hilbert space formula | 0.93 | 0.9 | 8976 | 53 |
| hilbert space notation | 1.93 | 0.6 | 4840 | 74 |
| norm of an operator in hilbert space | 1.66 | 1 | 5294 | 62 |
| normal operator on hilbert space | 1.39 | 1 | 7445 | 85 |
