We study two rather different problems, one arising from Diophantine geometry and one arising from Fourier analysis, which lead to very similar questions, namely to the study of the ranks of matrices with entries either zero or , where denotes the “centered” fractional part of . These ranks, in turn, are closely connected with the non-vanishing of the Dirichlet -functions at .
Dans cet article, nous étudions deux problèmes à priori assez éloignés, l’un se rapportant à la géométrie diophantienne, et l’autre à l’analyse de Fourier. Tous deux induisent en réalité des questions très proches, relatives à l’étude du rang de matrices dont les coefficients sont nuls ou égaux à , où désigne la partie fractionnaire “centrée” de . L’étude de ces rangs est liée au problème d’annulation des fonctions de Dirichlet au point .
@article{JTNB_1998__10_1_49_0, author = {Paolo Codec\`a and Roberto Dvornicich and Umberto Zannier}, title = {Two problems related to the non-vanishing of $L (1, \chi )$}, journal = {Journal de Th\'eorie des Nombres de Bordeaux}, pages = {49--64}, publisher = {Universit\'e Bordeaux I}, volume = {10}, number = {1}, year = {1998}, doi = {10.5802/jtnb.218}, mrnumber = {1827285}, zbl = {0929.11003}, language = {en}, url = {https://jtnb.centre-mersenne.org/articles/10.5802/jtnb.218/} }
TY - JOUR TI - Two problems related to the non-vanishing of $L (1, \chi )$ JO - Journal de Théorie des Nombres de Bordeaux PY - 1998 DA - 1998/// SP - 49 EP - 64 VL - 10 IS - 1 PB - Université Bordeaux I UR - https://jtnb.centre-mersenne.org/articles/10.5802/jtnb.218/ UR - https://www.ams.org/mathscinet-getitem?mr=1827285 UR - https://zbmath.org/?q=an%3A0929.11003 UR - https://doi.org/10.5802/jtnb.218 DO - 10.5802/jtnb.218 LA - en ID - JTNB_1998__10_1_49_0 ER -
Paolo Codecà; Roberto Dvornicich; Umberto Zannier. Two problems related to the non-vanishing of $L (1, \chi )$. Journal de Théorie des Nombres de Bordeaux, Volume 10 (1998) no. 1, pp. 49-64. doi : 10.5802/jtnb.218. https://jtnb.centre-mersenne.org/articles/10.5802/jtnb.218/
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