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# Previous Ateliers:
[2015 (Bordeaux)](Atelier%202015),
[2015 (Bordeaux)](Atelier%202015),
[2016 (Grenoble)](Atelier%202016),
[2017 (Lyon)](Atelier%202017)
[2017b (Clermont-Ferrand)](Atelier%202017b)
[2017c (Oujda)](Atelier%202017c)
# [Welcome to Atelier PARI/GP 2018 (Besançon)](http://pari.math.u-bordeaux.fr/Events/PARI2018/)
Available rooms for work in smaller groups:
320 B (except Wednesday 15:00-18:00)
324 B1
324 B2 (except Thursday 15:00-16:30)
[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)
## Tutorials
## [New features]()
## Tasks
<<<<<<< edited
- [doctesting]()</br>
(Coline, Paul)
Finished misc section.
- [ECPP]()
# [Welcome to Atelier PARI/GP 2024b (Lyon)](http://pari.math.u-bordeaux.fr/Events/PARI2024b/)
- Use L-function functionality from PARI in Sage; requires a review of current Sage functionality (Jeroen)</br>
Tried to replace Lcalc but eventually realized it was not a good idea.
- Hyperelliptic curves over finite fields and the rationals (Nicolas)</br>
Working on 2-descent. Maybe getting something by the end of the week.
- Point counting on elliptic curves and improvements on elliptic curves over finite fields (Jean-Pierre, Cyril, Vincent)</br>
Made a patch, already included.
- p-adic number field embeddings and regulator (Razvan, Xavier C.)</br>
First version of the p-adic regulator. Working for Galois fields, extending to general case.
- Coefficients of Hecke eigenforms of half-integral weight and Eisenstein series; doctesting of mf* (Ilker)</br>
Worked with Henri, made some good progress using the Rankin-Cohen bracket (mfbracket), found some new examples.
- Little delta function by Zagier (Zeynep)
- Dedekind eta function (Banu)
- Modular forms and symbols (François, Bernadette)
- Improve PARI-GNUMP (Andreas, Fredrik) and maybe use it in SageMath? (Jeroen)<br/>
New name: PariTwine<br/>
Autotools support works, detecting the available libraries to wrap<br/>
GP script for inclusion of appropriate functions created<br/>
Texinfo documentation started (so far, only installation instructions)<br/>
Some discussions with Jeroen about code organisation to be compatible with Sage<br/>
Next steps: finish documentation, wrap more functions, check the tests<br/>
Expected outcome: release 0.1
- Modular forms help centre (Henri)</br>
Wrote a bracket function specific to theta to be faster (still slower than magma for silly reasons)
- Sato-Tate conjecture (Zakariae)</br>
Worked on p-adic regulators and bounds for the p-adic regulator.
- Theta functions (Enea)
- ECPP (Luca)
- p-adic L-functions (Xavier R.)
- Algebra package (Aurel)
- Infinite order Hecke characters (Aurel, Pascal)
Theory and design choice Ok. First GP implem in progress.
- Theta series of quadratic forms (Elif)</br>
Succeeded to compute in pari/gp with theta functions of binary quadratic forms. Extending to more variables.
- SIDH (Cyril)</br>
Working on presentation and implementation of SIDH
- Lorenzo: Exercises, continued fractions
- Bernadette: Exercices (algebraic number theory), Thue equations
- Federico: Exercises (ANT, Galois theory)
- Pip: Exercises (ANT), class field theory, modular forms
- Jessica: Exercises (ANT, Galois theory), elliptic curves
- Safia: Algebraic number theory, Polya quadratic fields, subgroups of class
groups
- Suman: Algebraic number theory, exercises (ANT, ramification)
- Roslan: Linear algebra, algebraic number theory, class field theory (future:
S-class groups)
- Luca,Nicola,Francesco: Weil height for projective spaces: implemented! (need
tests, reduce factorisation)