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Sage Days 73 in Oaxaca, Mexico May 04-07 2016

Sage is an open source software for mathematics. This is the webpage for the Sage workshop prior to the conference Flat Surfaces and Dynamics of Moduli Space to be held in Oaxaca May 08-13. The aim is to:

introduce Sage to people from Oaxaca or assisting to the conference
have program and code presentations about geometry and dynamics of surfaces
help people to implement their own projects

It is intended to be a small workshop (10 to 15 people) focusing on coding sprints.

Previsional schedule

	Wednesday 4 May	Thursday 5 May	Friday 6 May	Saturday 7 May
morning	Participant presentation and Sage introduction	?	?	?
13:00 - 14:30	lunch break	lunch break	lunch break	lunch break
afternoon	?	?	?	?

Talks

(tutorial / presentation) Pat Hooper: Flatsurf
(tutorial / presentation) Vincent Delecroix: the flatsurf package (warning: distinct from the above!)
? (tutorial) number types in Sage: integers, rationals, number fields, symbolic, floating point, intervals, balls
? (tutorial) SL2Z and triangle group code in Sage
? (tutorial) graphs and digraphs in Sage (Sage graph stuff and possibly bliss software, nauty and Traces, igraph, ...)

Projects

Computing Teichmueller maps between translation surfaces (Maxime)
merge the two flatsurf projects https://github.com/videlec/sage-flatsurf and http://www.labri.fr/perso/vdelecro/flatsurf.html (Pat, Vincent)
... add your own project ...

Existing programs about translation surfaces

Alex Eskin code (saddle connection exploration + decomposition in cylinders)
various programs by Ronen Mukamel (Delaunay triangulations, Teichmueller curves especially in genus 2)
Vincent Delecroix flatsurf package (mostly interval exchanges and square tiled surfaces, but a bit of topology)
Vincent Delecroix and Pat Hooper drawing program
Charles Fougeron code for Lyapunov exponents of strata coverings (see trac ticket #16102)
Chris Swierczewski Riemann surfaces package
Schwarz-Christoffel Toolbox in Matlab

Organizers

Preliminary list of participants (to be confirmed)

Vincent Delecroix
Maxime Fortier-Bourque
Charles Fougeron
Pat Hooper
Samuel Lelièvre
Thierry Monteil (might attend remotely)
Yulan Qing
Kasra Rafi
Anja Randecker
Chris Swierczewski (might attend remotely)
Ferrán Valdez
Grace Work

Support

This workshop is supported by the ERC H2020 project OpenDreamKit.

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-||<#FFFFAA> morning       ||<#AFEFEF:> Sage introduction   ||  ?                            ||  ?                          || ?                             ||
+||<#FFFFAA> morning       ||<#AFEFEF:> Participant presentation<<BR>>and<<BR>>Sage introduction   ||  ?                            ||  ?                          || ?                             ||
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+== Talks ==

 * (tutorial / presentation) Pat Hooper: [[https://github.com/videlec/sage-flatsurf|Flatsurf]]

 * (tutorial / presentation) Vincent Delecroix: [[http://www.labri.fr/perso/vdelecro/flatsurf.html|the flatsurf package]] (warning: distinct from the above!)

 * ? (tutorial) number types in Sage: integers, rationals, number fields, symbolic, floating point, intervals, balls

 * ? (tutorial) SL2Z and triangle group code in Sage

 * ? (tutorial) graphs and digraphs in Sage ([[http://doc.sagemath.org/html/en/reference/graphs/index.html|Sage graph stuff]] and possibly [[http://www.tcs.hut.fi/Software/bliss/|bliss software]], [[http://pallini.di.uniroma1.it/|nauty and Traces]], [[http://igraph.org/redirect.html|igraph]], ...)

== Projects ==

 * Computing Teichmueller maps between translation surfaces (Maxime)

 * merge the two flatsurf projects [[https://github.com/videlec/sage-flatsurf]] and [[http://www.labri.fr/perso/vdelecro/flatsurf.html]] (Pat, Vincent)

 * ... ''add your own project'' ...
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+ * Chris Swierczewski [[https://github.com/abelfunctions/abelfunctions|Riemann surfaces package]]

 * [[http://www.math.udel.edu/~driscoll/SC/|Schwarz-Christoffel Toolbox in Matlab]]
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- * Maxime Fortier-Bourque
+ * [[https://www.math.toronto.edu/cms/fortier-bourque-maxime/|Maxime Fortier-Bourque]]
 * [[https://webusers.imj-prg.fr/~charles.fougeron/|Charles Fougeron]]
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+Line 68:
- * [[http://monteil.perso.math.cnrs.fr/|Thierry Monteil]]
 * [[https://sites.google.com/site/yulanqing/|Yulan Qing]]
+ * [[http://monteil.perso.math.cnrs.fr/|Thierry Monteil]] (might attend remotely)
 * --([[https://sites.google.com/site/yulanqing/|Yulan Qing]])--
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+ * [[http://www.math.kit.edu/iag3/~randecker/|Anja Randecker]]
 * [[http://www.cswiercz.info/|Chris Swierczewski]] (might attend remotely)

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