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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)
# [Welcome to Atelier PARI/GP 2018 (Besançon)](http://pari.math.u-bordeaux.fr/Events/PARI2018/)
Available rooms for work in smaller groups:
320 B
324 B1
324 B2
## Tutorials
## [New features]()
## Tasks
- [doctesting]()</br>
(Marine, Coline, Paul, Gautier)
Finished misc section, and linear algebra section, finite fields section.
- [ECPP]()
(Paul)
- 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.
Work on PariTwine and python bindings and pari errors.
- Hyperelliptic curves over finite fields and the rationals (Nicolas)</br>
Working on 2-descent. Maybe getting something by the end of the week. More work on 2-descent.
- 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), can do many examples easily, mostly done.
Confirmed results from several papers, about Dedekind zeta functions.
- 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 almost finished<br/>
Some discussions with Jeroen about code organisation to be compatible with Sage<br/>
TODO:<br/>
finish documentation (ARB and FLINT)</br>
wrap all useful functions from the external libraries<br/>
add more tests (?)</br>
make a 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)
Worked on p-rational fields.
- Sato-Tate conjecture (Zakariae)</br>
Worked on p-adic regulators and bounds for the p-adic regulator (Xavier,Zakariae,Razvan).(program to be documented and tested by Bill)
- Theta functions (Enea)
- ECPP (Luca)</br>
Chasing segfaults :-)
- 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. C implem in progress.
- Theta series of quadratic forms (Elif)</br>
Succeeded to compute in pari/gp with theta functions of binary quadratic forms. Extended to more variables.
- SIDH (Cyril)</br>
Working on presentation and implementation of SIDH. Good work on implementation of SIDH.
- level 1 MS (Karim)
- (Jared) parallel ECPP
- (Bill) implem nfredmodpowers using bnfisprincipal, fixed MacOS binaries, updated LTS binaries for OSX.