collaborators

6 papers

math.NT2026

Invariance Galoisienne des zéros centraux de fonctions L

Laurent Clozel, Arno Kret, Olivier Taïbi

Nous démontrons l'invariance Galoisienne de la propriété d'annulation en des fonctions L standard ou de Rankin-Selberg pour certaines représentations automorphes cuspidal…

math.NT2026

Unimodular lattices of rank 29 and related even genera of small determinant

Gaëtan Chenevier, Olivier Taïbi

We classify the unimodular Euclidean integral lattices of rank 29 by developing an elementary, yet very efficient, inductive method. As an application, we determine the isometry cl…

math.NT2026

The Euler characteristic of -adic local systems on

Olivier Taïbi

We study the Euler characteristic of -adic local systems on the moduli stack of principally polarized abelian varieties of dimension associated to algebra…

math.NT2026

A Nomizu-van Est theorem in Ekedahl's derived -adic setting

Olivier Taïbi

A theorem of Nomizu and van Est computes the cohomology of a compact nilmanifold, or equivalently the group cohomology of an arithmetic subgroup of a unipotent linear algebraic gro…

math.AG2026

The low degree cohomology of compactifications of

Samir Canning, Dan Petersen, Olivier Taïbi

We compute the low degree -adic intersection cohomology of symplectic local systems on the Satake compactification of the moduli space of principally polarized abelian…

math.NT2025

The local Langlands conjecture

Olivier Taïbi

We formulate the local Langlands conjecture for connected reductive groups over local fields, including the internal parametrization of L-packets using endoscopy.