We study the algebraicity of Stark-Heegner points on a modular elliptic curve E . These objects are p -adic points on E given by the values of certain p -adic integrals, but they are conjecturally defined over ring class fields of a real quadratic field K . The present article gives some evidence for this algebraicity conjecture by showing that linear combinations of Stark-Heegner points weighted by certain genus characters of K are defined over the predicted quadratic extensions of K . The non-vanishing of these combinations is also related to the appropriate twisted Hasse-Weil L -series of E over K , in the spirit of the Gross-Zagier formula for classical Heegner points.

The rationality of Stark-Heegner points over genus fields of real quadratic fields / M. Bertolini, H. Darmon. - In: ANNALS OF MATHEMATICS. - ISSN 0003-486X. - 170:1(2009), pp. 343-370.

The rationality of Stark-Heegner points over genus fields of real quadratic fields

M. Bertolini;
2009

Abstract

We study the algebraicity of Stark-Heegner points on a modular elliptic curve E . These objects are p -adic points on E given by the values of certain p -adic integrals, but they are conjecturally defined over ring class fields of a real quadratic field K . The present article gives some evidence for this algebraicity conjecture by showing that linear combinations of Stark-Heegner points weighted by certain genus characters of K are defined over the predicted quadratic extensions of K . The non-vanishing of these combinations is also related to the appropriate twisted Hasse-Weil L -series of E over K , in the spirit of the Gross-Zagier formula for classical Heegner points.
Settore MAT/03 - Geometria
2009
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/2434/142373
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