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David Madore
Works at Télécom ParisTech
Attended École Normale Supérieure
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David Madore

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A simulation of waves on the sphere (which can be quite pretty or even hypnotic).
Spherical Waves. Default, (Older), Projective, Ax. 2-sym. (=xy-sym.) Ax. 3-symmetric, Pl. x-symmetric, Pl. y-symmetric, Pl. z-symmetric, L²-conservative, L²-conserv. & proj. Level-standing, L.-standing & proj. This page displays an animation of a solution of the wave equation on the sphere (that ...
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David Madore

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A new hyperbolic maze game, this time with no walls or obstacles
Some comments about this maze. This is a maze in the hyperbolic plane, displayed using the Poincaré disk or Beltrami-Klein model (see this video for explanations and illustrations about projections of the hyperbolic plane). The fundamental pattern used to construct the maze is the uniform tiling ...
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Leo Stein's profile photoDavid Madore's profile photo
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+Leo Stein Yes, that's the one (eight such triangles make a 4-gon in the tiling used in my maze).
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Le WHATWG a supprimé l'élément <time> du HTML… et vlan, plein de pages web à moi qui deviennent invalides.
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Ah, ils ont peut-être changé d'avis : http://blog.whatwg.org/weekly-tpac-2011
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J'essaie CyanogenMod 7.1.0. Ça a l'air de marcher correctement. Aucun problème visible.
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Have him in circles
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David Madore

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And now for the same projections for the Earth's surface (but without audio commentary).

David Madore

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The new Google Maps 7.0 app for Android doesn't let me search for directions to one of my contacts because my contacts aren't synced with Google.  I'd like to think that this is an honest mistake on Google's part and not a sly move to get me to sync my contacts with them (something I won't do because I don't feel comfortable giving Google information about other people without said people's permission).

Workaround: start from the contacts app, click on the contact address in that app, open with Google Maps, which will then search for the address and allow to search for directions.  Still much less convenient than with the previous version.
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Quelle merde, le RER B, quand même...
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David Madore

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self pics
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Emeric Tourniaire's profile photoDavid Madore's profile photoVincent Pinte Deregnaucourt's profile photo
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Bonjour +David Madore
Picasa est l'appli web associée à ton compte Google pour le dépot de photo.
Les nouvelles règles picasa sont :
- toutes les photos dont la taille maxi est inférieure à 2048x2048 pxls : no limit.
- au delà : 1 Go, possibilité d'achat d'espace supplémentaire

Les photos déposées ici le sont automatiquement dans ton compte picasa (avec les droits identiques évidemment).
Ton compte picasa est ici (si tu es loggué) : https://picasaweb.google.com/home
Tes photos d'ici (ie G+), sont dans ton compte picasa sous le nom "Photos des posts".
Pour ne pas spammer tout le monde, tu peux les mettre directement dans ton picassa ou ici, en restreignant les accès à une personne (toi même :-)
Le blog de PicasaWeb est ici : http://googlephotos.blogspot.com/
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People
Have him in circles
106 people
M2014.fr's profile photo
Tim Hutton's profile photo
PH Lhiaubet's profile photo
Matthieu CABY's profile photo
khaled- b's profile photo
Eric PRADEL LEPAGE's profile photo
William Audry's profile photo
George Lambert's profile photo
Hassan Abousseddik's profile photo
Work
Employment
  • Télécom ParisTech
    maître de conférences (≅associate professor), 2007 - present
  • École Normale Supérieure
    agrégé-préparateur, 2004 - 2007
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Gender
Male
Story
Introduction
mathematician (cryptographer) with eclectic interests, living in Paris, France
Education
  • École Normale Supérieure
    mathematics, 1996 - 2000
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