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# Previous Ateliers:
[2015 (Bordeaux)](Atelier%202015),
[2016 (Grenoble)](Atelier%202016),
[2017 (Lyon)](Atelier%202017)
[2017b (Clermont-Ferrand)](Atelier%202017b)
[2017c (Oujda)](Atelier%202017c)
[2018 (Besançon)](Atelier%202018)
[2018b (Roma)](Atelier%202018b)
[2019 (Bordeaux)](Atelier%202019)
[2019b (Roma)](Atelier%202019b)
[2020 (Grenoble)](Atelier%202020)
[2021b (Oujda)](Atelier%202021b)
[2022 (Besançon)](Atelier%202022)
[2023 (CIRM)](Atelier%202023)
[2024 (Lyon)](Atelier%202024)
[2024b (Roma)](Atelier%202024b)

[2025 (Orsay)](Atelier%202025)

# [Welcome to Atelier PARI/GP 2025 (Saclay)](https://pari.math.u-bordeaux.fr/Events/PARI2025/)
# [Welcome to Atelier LIBPARI 2025 (Bordeaux)](https://pari.math.u-bordeaux.fr/Events/LIBPARI2025/)

## Topics

Bill Allombert         helping around
Albin Ahlbäck          build/configure system
Eric Ahlqvist          class field theory, Galois cohomology
Ayoub Aluartassi       n-th power Hilbert symbol
Salma Arrahmani        completions of number fields
Martin Azon            modular forms
Safia Batla            S-integers, S-units, S-class groups, S-cohomology, S-everything
Dominique Bernardi     TBD
Yves Benoist           L-functions and modular forms
Nicolas Billerey       congruences between modular forms
Raymond van Bommel     local arithmetic of curves and Jacobians
François Brunault      quasi-periods of modular forms
Ricardo Buring         doctesting, bugs
Henri Cohen            quasi-periods of modular forms
Marc Coulomb           quasi-periods
Andreas Enge           Gentry-Szydlo over large number fields + please HP charger
Chimène Fischler       primality tests
Nihar Gargava          Hecke characters
Vasily Golyshev        quasi-periods
Rob de Jeu             point counting
Jean Kieffer           theta functions
Péter Kutas            doctesting, quaternion algebras, quadratic forms
Afonso Li              lattices and S-units
Céline Maistret        models of curves, arithmetic invariants, local arithmetic of curves and Jacobians
Nicolas Mascot         algebraic curves package, point counting , models of curves
Marc Mezzarobba        doctesting, D-finite functions
Thibaut Misme          doctesting
Pascal Molin           modular forms, Galois theory
Pierre Morain          class field theory, Stark units, L-functions
Mateo Crabit Nicolau   modular forms, quaternion algebras
Aurel Page             helping around, p-adic fields, algebras, ...
Alice Pellet-Mary      ideal lattices, norm relations, Gentry-Szydlo
Bernadette Perrin-Riou TBD getting wifi to work
Eric Pichon-Pharabod   doctesting, periods, L-functions
Léo Poyeton            p-adics
Marine Rougnant       doctesting
Denis Simon           quadratic equations, Newton polygons, gp contributions
Himanshu Shukla       Selmer groups, local arithmetic of curves and Jacobians
Márton Tot Bagi       root finding in finite fields, elliptic curves

## Doctesting
- Pierrick: higher dimensional isogeny computations in theta coordinates
- Eli: tutorials, non-maximal orders in number fields and quatalg
- James: non-maximal orders (init, conductor) and qfb, algebras over Q
- Pascal: algebraic L-functions, spaces of modular forms of large level
- Nicolas: p-adic fields, curves, integration of various functions, bugfixes
- Baptiste: tutorial, modular forms and number fields, bugfixes, Dirichlet characters
- Henri: help around, periods and quasi-periods of modular forms, testing
- Jean: theta functions, reduction
- Aurel: help around, p-adic fields
- Bill: help around, theta functions, Harvey-Sutherland algorithm for L-function of genus 2 curves
- Rayane: cohomology of Shimura curves, fundamental groupoid of surfaces