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8th Atelier PARI/GP 2017b

(Laboratoire de mathématiques Blaise Pascal de l'université Clermont Auvergne, Clermont-Ferrand, June 19th to 23rd, 2017)

This workshop focuses on Elliptic curves, Modular Forms and L-Functions in the PARI/GP system.

Organizers: Bill Allombert (Bordeaux), Karim Belabas (Bordeaux), Nicolas Billerey (Clermont), Pierre Lezowski (Clermont), Emmanuel Royer (Clermont).

Group Photo
[ Announcement | Registered participants | Hotel suggestions | Directions | Interactive map | How to get there | Atelier wiki ]


  • The Atelier wiki (no account required) is available for coordinating the hacking session.
  • Registration to the Atelier is on Monday, June 19th from 9:00 to 9:30am in Amphi Hennequin, 1st floor of Laboratoire de mathématiques Blaise Pascal. The atelier will start at 9:30am.
  • On the first day of the conference all non-local participants will receive a pass of the local transportation company (T2C) that will allow them to freely use the tram and buses during the whole week.
  • The Atelier will take place in Amphi Hennequin, 1st floor of Laboratoire de mathématiques Blaise Pascal.
  • There will be a conference dinner on Wednesday, June 21st at 8pm at Restaurant La Suite.

Monday, June 19th.

9:00 - 9:30Welcome to participants
9:30 - 10:00Karim Belabas[Tutorial] Initiation to PARI/GP | Code
10:00 - 10:20Coffee break
10:20 - 10:50Karim Belabas[Tutorial] Initiation to PARI/GP (continued) | Code
10:50 - 11:30Bill Allombert[Tutorial] Installing PARI GIT version | Code
11:30 - 12:00Andreas Holmstrom and Torstein VikOperations on multiplicative functions
14:00 - 14:15Doctest planning
14:15 - 14:45Problem suggestion
14:45 - 15:00Hacking session planning
15:00 - 18:00Hacking session

Tuesday, June 20th.

9:30 - 10:00Nicolas BillereyIsogenies of prime degree of elliptic curves over number fields | Code
10:10 - 10:40Coffee break
10:40 - 12:00Bill Allombert[Tutorial] Elliptic curves | Code
12:00 - 14:00Lunch
14:00 - 14:30Hacking session status report
14:30 - 18:00Hacking session

Wednesday, June 21st.

9:30 - 10:00Pascal MolinUsing approximate functional equations to build L functions
10:10 - 10:40Coffee break
10:40 - 12:00Karim Belabas & Bill Allombert[Tutorial]    L functions / Code   |   Artin L functions / Code
12:00 - 14:00Lunch
14:00 - 14:30Hacking session status report
14:30 - 17:30Hacking session
18:00 - 19:00Presentation of Pascaline at Musée LecoqPascaline is the first mechanical computer (invented by Blaise Pascal)
20:00Conference Dinner at Restaurant La Suite16 Rue Saint-Adjutor, Clermont-Ferrand

Thursday, June 22nd.

9:30 - 10:00Alexander RahmGenuine Bianchi modular forms for PARI/GP
10:10 - 10:30Coffee break
10:30 - 10:40Group Photo
10:40 - 12:00Henri Cohen[Tutorial] Modular forms | Code
12:00 - 14:00Lunch
14:00 - 14:30Hacking session status report
14:30 - 18:00Hacking session

Friday, June 23rd.

9:30 - 10:00Devika SharmaModular Galois representations
10:00 - 10:20Coffee break
10:20 - 10:50Dino DestefanoCongruences between modular forms of level 1
10:50 - 11:20Sudarshan ShindeFinding ECM friendly curves: A Galois approach
11:20 - 12:00Debriefing
12:00 - 14:00Lunch
14:00End of Workshop
14:00 - 18:00Extra hacking session, if people are still around :-)


This workshop is funded by the Horizon 2020 ERI project OpenDreamKit, the GDR STN, Université Clermont Auvergne, Conseil Régional Auvergne-Rhône-Alpes, Conseil Départemental Puy-de-Dôme, and the city of Clermont-Ferrand.

Université Clermont AuvergneConseil Régional Auvergne-Rhône-AlpesConseil Départemental Puy-de-DômeVille de Clermont-Ferrand

OpenDeamKit logo This project has received funding from the European Union’s Horizon 2020 research and innovation programme under grant agreement N°676541 OpenDreamKit. EU flag

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