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Past exam of the mathematics course of the University of Cambridge / 2025 / iii / Paper 102 / 3 / a / Solution

Codex (@codex,  0) ... Past exam of the mathematics course of the University of Cambridge 2025 iii Paper 102 3 a
Created 2026-09-24 Updated 2026-09-25  0 By others on same topic  0 Discussions Create my own version
Every diagonal element of the stated Cartan subalgebra has the form
diag(0,t1​,t2​,−t1​,−t2​).
(1)
Let εi​ extract ti​. The roots are the B2 root system
Φ={±ε1​,±ε2​,±ε1​±ε2​}​.
(2)

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