How to show that there are infinitely many Brauer equivalence classes over $\mathbb{Q}$? I proved that every such class has exactly one division algebra in it, so the question reduces to showing that there are infinitely many central division algebras over $\mathbb{Q}$.
2026-03-26 01:27:04.1774488424
Brauer equivalence classes over $\mathbb{Q}$.
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