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| Sage-Combinat days in Orsay, January/February 2012 ================================================== |
Sage-Combinat days in Orsay =========================== |
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| FlorentHivert: I'm thinking about organizing a small one-week Sage-Combinat coding sprint around January-February in the south-west of Paris. |
The third Sage-Combinat days in Cernay will hold at Cernay-la-Ville, France, February 6-10 2012, near Orsay, in the south-west of Paris. |
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| Following the \*-Combinat tradition I plan to reserve the `guest house the tower <http://www.cernayvacances.com/CEngels.html>`_ at Cernay-la-Ville. It is very nice and cosy, 35 minutes train + 15 minutes bus away from downtown Paris. It can accommodate 8-10 people, and if needed there is another adjacent guest house. |
Following the \*-Combinat tradition I reserved the `guest house the tower <http://www.cernayvacances.com/CEngels.html>`_ at Cernay-la-Ville. It is very nice and cosy, 35 minutes train + 15 minutes bus away from downtown Paris. For practical information, see below. |
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| Here is a tentative list of themes: | Tentative list of themes ======================== |
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| * Refactoring of the combinatorics infrastructure (factories, Cythonizing partitions, compositions...) | The main goal of this meeting is to gather Sage/Sage-Combinat developers for coding sprints on the following themes: |
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| * Cythonization of many iterators | * Refactoring of the combinatorics infrastructure (factories, Cythonizing partitions, compositions...) |
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| * Categories (Morphisms, functorial constructions, optimization, coercion ?) | * Cythonization of many iterators |
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| * Integration of more Sage-Combinat thematic tutorials into Sage | * Categories (Morphisms, functorial constructions, optimization, coercion ?) |
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| * Please expand! | * Integration of more Sage-Combinat thematic tutorials into Sage |
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| We haven't yet secured a funding, but if it is likely that we will be able to cover the local expenses (lodging + food). |
* Please expand! |
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| So my questions are the following: | Jean-Pierre Flori: |
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| * who is interested ? * what is the preferred week ? |
* I'd love to have a deeper look into the coercion system and its caching mecanism to get a better understanding of it and to solve bug #715. * If anyone is interested, we could also have a look at some symbolic issues in pynac (which could be of interest for combinat people). |
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| Please fill in `this poll <http://nuages.domainepublic.net/cd7d/vote/>`_. | Vincent Delecroix : |
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| Martin Albrecht : I am interested, but I cannot commit to any dates yet. I definitely cannot do 16.-20.1. and 20.2.-24.2. Anyway, I suggest you pick your dates and I'll try to make it at least for one day? I can't help with combinatorics much, though. Viviane Pons : very much interested, available mostly in February (6-10, 13-17, 20-24, ...) Jean-Pierre Flori : Interested as well. I don't think I'll be able to attend the whole week, but two or three days should be ok. I'd better avoid the last week of January, first of February if possible. As far as the topics are concerned, I'd love to have a deeper look into the coercion system and its caching mecanism to get a better understanding of it and to solve bug #715. If anyone is interested, we could also have a look at some symbolic issues in pynac (which could be of interest for combinat people). Vincent Delecroix : * implementations of some Gray codes for much faster generation * iterator for conjugacy class of the symmetric group (the call to Gap takes hours) * flat surfaces (quadratic differentials, topolgoy stuff, origamis, Ferenczi-Zamboni induction, ...) * language and symbolic dynamics (tickets #12224, #12225, #12226, #12227, #12228, #122230, #12231) * would like to hear about the code in Sage and more generally about algorithms for generating things up to isomorphism (like graphs, Integer vectors and co). |
* implementations of some Gray codes for much faster generation * iterator for conjugacy class of the symmetric group (the call to Gap takes hours) * flat surfaces (quadratic differentials, topolgoy stuff, origamis, Ferenczi-Zamboni induction, ...) * language and symbolic dynamics (tickets #12224, #12225, #12226, #12227, #12228, #122230, #12231) * would like to hear about the code in Sage and more generally about algorithms for generating things up to isomorphism (like graphs, Integer vectors and co). |
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| * flat surfaces via G-maps (in which state are the Permutations currently? or should we use pointers or existing libs like CGAL ?). * need help to build a class `TileSet` in a good way. * having OEIS work again (i have working parsers ready for a while, but would like to have them in a class, not as functions like `sloane_search()`, maybe the same as the existing for offline oeis ?). * word combinatorics : `tangent_words` as `WordPaths` ; `tangent_analytic_words` ; discussion about languages. |
* flat surfaces via G-maps (in which state are the Permutations currently? or should we use pointers or existing libs like CGAL ?). * need help to build a class `TileSet` in a good way. * having OEIS work again (i have working parsers ready for a while, but would like to have them in a class, not as functions like `sloane_search()`, maybe the same as the existing for offline oeis ?). * word combinatorics : `tangent_words` as `WordPaths` ; `tangent_analytic_words` ; discussion about languages. |
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| Tentative list of participants ============================== |
|
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| .. #1224: language and words | * NicolasBorie, ATER, Orsay * FlorentHivert, Prof, LITIS, Université de Rouen * NicolasThiéry, MdC, Orsay * Viviane Pons, graduate student, LIGM, Université Paris-Est Practical information ===================== The local expenses (food + lodging) will be covered by the ``Laboratoire de Recherche en Informatique`` d'Orsay. We also have a few possibility for funding expensive travel for people far away. Please contact me and Nicolas if needed. The Tower can accommodate 8-10 people, and if needed there is another adjacent guest house. Participant can stay from Saturday 4th in the evening to Saturday 11th in the morning. We will do the cooking ourselves, so bring along your favorite recipes and dishes! Also bring along hiking/climbing shoes and music instruments/scores for the breaks. There will of course be an open wifi and wired internet connection. To register, fill in the following form, and send it by e-mail to Florent Hivert: {{{ Name: Surname: will participate to the Thirds Sage-combinat days in Cernay. Date of arrival: Date of departure: |
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Coming from downtown Paris to Cernay ==================================== * From Gare Montparnasse: 35 minutes train to Rambouillet + 15 minutes bus to Cernay-la-Ville * From Chatelet-les-Halles: 45 minutes RER B to Saint-Remy les Chevreuses + 15 minutes bus to Cernay-la-Ville * `Time tables Saint-Remy <-> Cernay <-> Rambouillet <http://www.savac.fr/fr/transports/horaires_content/horaire/25136_B_SAVAC_39_03_COMPLET.pdf|39.03>`_ There are two bus stops at Cernay. The closest to the gite is Grand'Place. BEWARE: there are no bus to Cernay between 7:32am and 12:25am! * `Map and and aerial photo <http://maps.google.fr/maps?f=q&source=s_q&hl=fr&geocode=&q=Cernay+la+ville&sll=47.15984,2.988281&sspn=17.161007,44.516602&ie=UTF8&ll=48.675731,1.971735&spn=0.004066,0.010868&z=17>`_ We will do some car shuttles from Saint Rémi. Please contact us in advance to synchronize. }}} |
Sage-Combinat days in Orsay
The third Sage-Combinat days in Cernay will hold at Cernay-la-Ville, France, February 6-10 2012, near Orsay, in the south-west of Paris.
Following the *-Combinat tradition I reserved the guest house the tower at Cernay-la-Ville. It is very nice and cosy, 35 minutes train + 15 minutes bus away from downtown Paris. For practical information, see below.
Tentative list of themes
The main goal of this meeting is to gather Sage/Sage-Combinat developers for coding sprints on the following themes:
- Refactoring of the combinatorics infrastructure (factories, Cythonizing partitions, compositions...)
- Cythonization of many iterators
- Categories (Morphisms, functorial constructions, optimization, coercion ?)
- Integration of more Sage-Combinat thematic tutorials into Sage
- Please expand!
Jean-Pierre Flori:
- I'd love to have a deeper look into the coercion system and its caching mecanism to get a better understanding of it and to solve bug #715.
- If anyone is interested, we could also have a look at some symbolic issues in pynac (which could be of interest for combinat people).
Vincent Delecroix :
- implementations of some Gray codes for much faster generation
- iterator for conjugacy class of the symmetric group (the call to Gap takes hours)
- flat surfaces (quadratic differentials, topolgoy stuff, origamis, Ferenczi-Zamboni induction, ...)
- language and symbolic dynamics (tickets #12224, #12225, #12226, #12227, #12228, #122230, #12231)
- would like to hear about the code in Sage and more generally about algorithms for generating things up to isomorphism (like graphs, Integer vectors and co).
ThierryMonteil:
- flat surfaces via G-maps (in which state are the Permutations currently? or should we use pointers or existing libs like CGAL ?).
- need help to build a class TileSet in a good way.
- having OEIS work again (i have working parsers ready for a while, but would like to have them in a class, not as functions like sloane_search(), maybe the same as the existing for offline oeis ?).
- word combinatorics : tangent_words as WordPaths ; tangent_analytic_words ; discussion about languages.
We would love to have some hard core Cython and/or Sage developer at hand :-)
Tentative list of participants
- NicolasBorie, ATER, Orsay
- FlorentHivert, Prof, LITIS, Université de Rouen
- NicolasThiéry, MdC, Orsay
- Viviane Pons, graduate student, LIGM, Université Paris-Est
Practical information
The local expenses (food + lodging) will be covered by the Laboratoire de Recherche en Informatique d'Orsay. We also have a few possibility for funding expensive travel for people far away. Please contact me and Nicolas if needed.
The Tower can accommodate 8-10 people, and if needed there is another adjacent guest house. Participant can stay from Saturday 4th in the evening to Saturday 11th in the morning. We will do the cooking ourselves, so bring along your favorite recipes and dishes! Also bring along hiking/climbing shoes and music instruments/scores for the breaks. There will of course be an open wifi and wired internet connection.
To register, fill in the following form, and send it by e-mail to Florent Hivert:
{{{ Name: Surname: will participate to the Thirds Sage-combinat days in Cernay. Date of arrival: Date of departure:
Coming from downtown Paris to Cernay ====================================
* From Gare Montparnasse: 35 minutes train to Rambouillet + 15 minutes bus to Cernay-la-Ville * From Chatelet-les-Halles: 45 minutes RER B to Saint-Remy les Chevreuses + 15 minutes bus to Cernay-la-Ville * Time tables Saint-Remy <-> Cernay <-> Rambouillet <http://www.savac.fr/fr/transports/horaires_content/horaire/25136_B_SAVAC_39_03_COMPLET.pdf|39.03>_
- There are two bus stops at Cernay. The closest to the gite is Grand'Place. BEWARE: there are no bus to Cernay between 7:32am and 12:25am!
Map and and aerial photo <http://maps.google.fr/maps?f=q&source=s_q&hl=fr&geocode=&q=Cernay+la+ville&sll=47.15984,2.988281&sspn=17.161007,44.516602&ie=UTF8&ll=48.675731,1.971735&spn=0.004066,0.010868&z=17>_
We will do some car shuttles from Saint Rémi. Please contact us in advance to synchronize.
}}}