Module

Pic0_nsmul_mk_eq_zero_of_isPrincipal.lean

Nyll.JacobianVarieties.Pic0.Pic0_nsmul_mk_eq_zero_of_isPrincipal
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A principal natural multiple of a divisor annihilates its degree-zero Picard class.

Declarations

AlgebraicCurve.Pic0.nsmul_mk_eq_zero_of_isPrincipal
Source context 3 commands

Surrounding namespaces, section variables, and local commands at this declaration.

section ProofImplementation
namespace JacobianVarieties.Pic0.Proofs.Pic0_nsmul_mk_eq_zero_of_isPrincipal
open AlgebraicCurve
theorem _root_.AlgebraicCurve.Pic0.nsmul_mk_eq_zero_of_isPrincipal {K F : Type*} [Field K] [Field F]
    [Algebra K F] (D : Divisor.degZero (K := K) (F := F)) (m : ℕ)
    (hD : Divisor.IsPrincipal (m • (D : Divisor K F))) : m • Pic0.mk D = 0