Why sig(3,2)

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Why sig(3,2)

05/15/2026

sig(3,1) needs p ≥ 3, q ≥ 1.
sig(2,2) needs p ≥ 2, q ≥ 2.
Together: p ≥ 3, q ≥ 2, dim ≥ 5.
sig(3,2) contains both. No smaller signature does.
This is the minimal parent theorem.