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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 2020 (Grenoble)](http://pari.math.u-bordeaux.fr/Events/PARI2020/)
## Tasks
- [doctesting](doc2020) (Marine, Valentin, Mohamed, Cyril, Razvan, Anne-Edgar, Samuele, Baptiste, Christelle, Julien, Paul)
- simplify the ./Configure step for PariDroid (Andreas)
- Philippe (pari tutorial for teachers: arithmetics, algebra etc)
- Xavier (p-adic L-functions)
- Jared (morphisms between finite abelian groups)
- Andreas (paridroid, modular polynomials)
- Karim (supervise doctesting, help everyone)
- Henri (help people)
- Roland (parallel computing)
- Francesco (enumeration of number fields with prescribed ramification)
- Aurel (Hecke characters, p-adic fields)
- Titouan (elliptic curves)
- Maiga (hyperelliptic curves)
- Razvan (mf, modular poly)
- Denys (parallel computing)
- Samuele (modular forms, modular symbols, isomorphism of Galois representations)
- Nicolas (congruences between modular forms, mfsearch)
- Baptiste (modular forms)
- Etienne (LLL over number fields)
- Christelle (exploration of pari)
- Vinko (computations with factorisations)
- Richard (discover pari, elliptic curves over function fields)
- Julien (discover pari, number fields)
- Francois (compute Eisenstein series, products of such)
- Bernadette (modular symbols)
- Pascal (Hecke characters)
# [Welcome to Atelier LIBPARI 2025 (Bordeaux)](https://pari.math.u-bordeaux.fr/Events/LIBPARI2025/)

## Topics
- 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