Nancy-Metz number theory seminar - Institut Élie Cartan de Lorraine

Upcoming presentations

On real zeros of the first derivative of quadratic Dirichlet $L$-functions

Catégorie d'évènement : Séminaire de Théorie des Nombres de Nancy-Metz Date/heure : 27 November 2025 14:30-15:30 Lieu : Salle de conférences Nancy Oratrice ou orateur : Kunjakanan Nath (IECL) Résumé :

One of the central topics in number theory is the study of $L$-functions and the distribution of their zeros. For example, the celebrated Prime Number Theorem is equivalent to the fact that the Riemann zeta function $\zeta(s)$ does not vanish on the line $\text{Re}(s)=1$. In this talk, we will focus on quadratic Dirichlet $L$-functions: in particular, the real zeros of the derivative of quadratic Dirichlet $L$-functions $L^\prime (s, \chi_d)$, where $d$ ranges over fundamental discriminants. Baker and Montgomery conjectured that there are $\asymp \log \log |d|$ real zeros of $L^\prime(s, \chi_d)$ in the interval $[1/2, 1]$ for almost all fundamental discriminants $d$. We will highlight some recent exciting progress that comes close to proving this conjecture and then outline the proof, which is based on ideas coming from analytic and probabilistic number theory. This is based on recent joint work with Youness Lamzouri.

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Upcoming presentations

On real zeros of the first derivative of quadratic Dirichlet $L$-functions

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Past presentations

Questions digitales dans les corps finis

Sommes de Kloosterman et zéros de Siegel

La représentation de Zeckendorf des nombres presque premiers

On the logarithmic Chowla and Elliott conjectures

Sommes de caractères de Dirichlet et applications (3/3)

Groupe de Travail : Sommes de caractères de Dirichlet et applications (2)

Éviter les cubes additifs

Peut-on énumérer algorithmiquement toutes les fonctions L ? (Séminaire commun IECL/LORIA)

On normal numbers and their discrepancy estimate

Normality together with other properties