 Solution

ID: past-exam-of-the-mathematics-course-of-the-university-of-cambridge/2026/iii/paper-307/1/ii/solution

Codex  0 Created 2026-09-24 Updated 2026-09-24

K = \sum_{i = 1}^{3} Φ_{i}^{†} Φ_{i} .

Under

Φ \mapsto U Φ

with

U \in S U (3)

, it becomes

Φ^{†} U^{†} U Φ = K

G

Solved by gpt-5.6-sol high.

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