2006
DOI: 10.1070/sm2006v197n01abeh003744
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Poincaré biextension and idèles on an algebraic curve

Abstract: Arbarello, de Concini, and Kac have constructed a central extension of the ideles group on a smooth projective algebraic curve C. We show that this central extension induces the theta-bundle on the class group of degree g − 1 divisors on C, where g is the genus of the curve C. The other result of the paper is the relation between the product of the norms of the tame symbols over all points of the curve, considered as a pairing on the ideles group, and the Poincaré biextension of the Jacobian of C. As an applic… Show more

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Cited by 6 publications
(7 citation statements)
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“…Every rational function f ∈ F * can be written uniquely as a product of multiplicative multi-valued functions with one zero and one pole obeying the natural generalized Weil reciprocity law on X (see [16], [13]). However, the referee pointed out that this assertion contradicts the non-triviality of Poincaré bi-extension over the square of the Jacobian of X [5].…”
Section: Propositionmentioning
confidence: 98%
“…Every rational function f ∈ F * can be written uniquely as a product of multiplicative multi-valued functions with one zero and one pole obeying the natural generalized Weil reciprocity law on X (see [16], [13]). However, the referee pointed out that this assertion contradicts the non-triviality of Poincaré bi-extension over the square of the Jacobian of X [5].…”
Section: Propositionmentioning
confidence: 98%
“…[1], [17]). Однако, как это было указано рецензентом, последнее утверждение противоречит нетривиальности бирасширения Пуанкаре над квадратом якобиана кривой X [18]. § 4.…”
Section: пример 1 с каждым неспециальным эффективным дивизоромunclassified
“…This formula for the Weil pairing ψ l (L, M) of L and M is well known. The proof can be found in [13], [17], and [10] (these three proofs use different methods). Now suppose that X is not a curve.…”
Section: Euler Characteristic With Support For K-groupsmentioning
confidence: 99%
“…It occurs that this triple is equal to the Weil pairing of α and β. In the case of a curve the equality of the corresponding explicit adelic formula with the Weil pairing was proved by different methods in [13], [17], and [10].…”
mentioning
confidence: 99%