On définit, en réponse à une question de Sarnak dans sa lettre a Bombieri [Sar01], un accouplement symplectique sur l’interprétation spectrale (due à Connes et Meyer) des zéros de la fonction zêta. Cet accouplement donne une formulation purement spectrale de la démonstration de l’équation fonctionnelle due à Tate, Weil et Iwasawa, qui, dans le cas d’une courbe sur un corps fini, correspond à la démonstration géométrique usuelle par utilisation de l’accouplement de dualité de Poincaré Frobenius-équivariant en cohomologie étale. On donne un autre exemple d’accouplement similaire dans le cas de l’interprétation spectrale des zéros de la fonction
Spectral symmetries of zeta functions
We define, answering a question of Sarnak in his letter to Bombieri [Sar01], a symplectic pairing on the spectral interpretation (due to Connes and Meyer) of the zeroes of Riemann’s zeta function. This pairing gives a purely spectral formulation of the proof of the functional equation due to Tate, Weil and Iwasawa, which, in the case of a curve over a finite field, corresponds to the usual geometric proof by the use of the Frobenius-equivariant Poincaré duality pairing in etale cohomology. We give another example of a similar construction in the case of the spectral interpretation of the zeroes of a cuspidal automorphic
@article{JTNB_2009__21_3_713_0, author = {Paugam, Fr\'ed\'eric}, title = {Sym\'etries spectrales des fonctions z\^etas}, journal = {Journal de th\'eorie des nombres de Bordeaux}, pages = {713--720}, publisher = {Universit\'e Bordeaux 1}, volume = {21}, number = {3}, year = {2009}, doi = {10.5802/jtnb.697}, zbl = {1214.11095}, mrnumber = {2605542}, language = {fr}, url = {https://www.numdam.org/articles/10.5802/jtnb.697/} }
TY - JOUR AU - Paugam, Frédéric TI - Symétries spectrales des fonctions zêtas JO - Journal de théorie des nombres de Bordeaux PY - 2009 SP - 713 EP - 720 VL - 21 IS - 3 PB - Université Bordeaux 1 UR - https://www.numdam.org/articles/10.5802/jtnb.697/ DO - 10.5802/jtnb.697 LA - fr ID - JTNB_2009__21_3_713_0 ER -
Paugam, Frédéric. Symétries spectrales des fonctions zêtas. Journal de théorie des nombres de Bordeaux, Tome 21 (2009) no. 3, pp. 713-720. doi : 10.5802/jtnb.697. https://www.numdam.org/articles/10.5802/jtnb.697/
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