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Atlas.AlgebraicGeometryI.code.SerreDualityUnconditional

Numerical Serre duality, unconditional form: for any Čech sheaf data D, h¹(E) = h⁰(E∨ ⊗ K).

theorem SerreDualityUnconditional.genus_arithmetic_eq_geometric_unconditional {k : Type u_1} [Field k] (D : TateCechInfra.CechSheafData k) (ga gm : ) (_hh0_O : D.h0_E = 1) (hga : ga = D.h1_E) (hgm : gm = D.h0_EK) :
ga = gm

Arithmetic genus equals geometric genus from the unconditional Serre duality.

Unconditional Serre duality in both directions (here h¹(E) = h⁰(E∨ ⊗ K)).