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== Schedule == <5%> <19%:> Tuesday Feb 28 <19%:> Wednesday Mar 1 <19%:> Thursday Mar 2 <19%:> Friday Mar 3 <19%>: Saturday Mar 4 10:00   convex hull howto  school activity  coding sprint  coding sprint  after lunch  sage sample  autotools, etc  Pexpect  Sage categoris  ?  5 pm math talk  group cohomology  Barvinok  max plus  constraints on polytopes  ?  Math * group cohomology (Aurel/Marc) * Barvinok (integer points in polytopes) (Matthias) * max plus semigroup (Vincent) * combinatorial and geometrical constraints on polytopes (JP) * ? Development/softwares * sage sample: how to make a sage package (Matthias) * autotools, make, etc (Matthias) * Pexpect (Simon) * convex hull howto (Matthias) * Sage categories (Vincent/Simon) 

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You can have a look at our list of [[https://trac.sagemath.org/query?keywords=~days84Sage tickets with days84 tags]] 

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* [[https://trac.sagemath.org/ticket/18128#18128: Add a face truncation method to Polyhedron class]]  
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* [[https://trac.sagemath.org/ticket/22420 #22420:Metaticket: Polytopes, polyhedron and their properties]] Increase the functionalities of polyhedron class 
Sage Days 84 : Polytopes (in Sage, Python, polymake and more)
February 27th  March 10th 2017 Olot, Catalunya, Spain
These (Sage) days will be focused on Polytopes and linear programming. This workshop is dedicated to people already familiar with Sage or being active in some polytope related libraries/software.
There is a very limited number of places. If you are interested get quickly in contact with Vincent Delecroix (vincentDOTdelecroixATuDASHbordeaux.fr).
During the workshop participants will have to cook several times for everybody. Bring your favorite recipies!
Practical information
The Sage Days will happen at FABER in Olot. It is a small town close to Girona (55km) and Barcelona (110km). You can find very detailed practical information about how to reach Faber HERE.
Schedule

Tuesday Feb 28 
Wednesday Mar 1 
Thursday Mar 2 
Friday Mar 3 
: Saturday Mar 4 
10:00 

convex hull howto 
school activity 
coding sprint 
coding sprint 
after lunch 
sage sample 
autotools, etc 
Pexpect 
Sage categoris 
? 
5 pm math talk 
group cohomology 
Barvinok 
max plus 
constraints on polytopes 
? 
Math
 group cohomology (Aurel/Marc)
 Barvinok (integer points in polytopes) (Matthias)
 max plus semigroup (Vincent)
 combinatorial and geometrical constraints on polytopes (JP)
 ?
Development/softwares
 sage sample: how to make a sage package (Matthias)
 autotools, make, etc (Matthias)
 Pexpect (Simon)
 convex hull howto (Matthias)
 Sage categories (Vincent/Simon)
Projects
You can have a look at our list of Sage tickets with days84 tags
 develop interfaces to polytope libraries/softwares (ppl, polymake, etc)
moving as independent Python packages the Sage interfaces to cdd, ppl, etc (see e.g. pplpy)
 make a generic number field implementation in C/C++ using normaliz
 add mutable polytopes in Sage
Delaunay/Voronoi polytopes of lattices (> algorithm for norm form equation)
#22006: CBC tries to use system's blas at runtime which creates an error
#20302: Metaticket: Improvements to MixedIntegerLinearProgram etc.
release the real embedded number fields library (built on top of antic)
#21950: Add pulling_triangulation method to polyhedron class and point configuration
 Uniform random generation of integer points in polytopes
 Survey existent maintained Python bindings to MILP solvers, and see if we could use them instead of our own, those include pyomo, pulp, numberjack,...
Atomic and Coatomic lattice Refactor this function so that it returns a lattice and so that you can input only one of the two incidences.
#22420:Metaticket: Polytopes, polyhedron and their properties Increase the functionalities of polyhedron class
 ... (add your project!)
Participants
Vincent Delecroix (LaBRI  Bordeaux) (February 27th  March 11th)
Marc Masdeu (U. Warwick) (February 27th  March 10th)
JeanPhilippe Labbé (Freie Universität Berlin) (February 27th  March 10th)
Matthias Köppe (UC Davis) (February 27th  March 11th)
Moritz Firsching (Freie Universität Berlin) (March 3rd  March 8th)
Julian Pfeifle (U. Politècnica de Catalunya) (March 6th  March 10th)
Marcelo Forets (VERIMAG  U. Grenoble) (March 5th  March 11th)
Aurel Page (U. Warwick) (February 27th  March 3rd)
Andreas Paffenholz (Technische U. Darmstadt) (March 6th  March 11th)
 Vincent Klein (Bordeaux, March 3rd  March 10th)
 Thierry Monteil (February 27th  March 7th)
Simon King (FSU Jena) (February 27th  March 11th)
Acknowledgment
This workshop is supported by the H2020 European Project OpenDreamKit