Gallery :

Collaborative Works

[Galerie : Travaux Collaboratifs]

Jean-François COLONNA

CMAP (Centre de Mathématiques APpliquées) UMR CNRS 7641, Ecole Polytechnique, CNRS
91128 Palaiseau Cedex, France

http://www.lactamme.polytechnique.fr

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• Andrea Baldassarri, Andrea Gabrielli and Bernard Sapoval :
• Marcel Filoche and Bernard Sapoval :
• Jean-François Gouyet, Michel Rosso and Bernard Sapoval :
• Hiroko Kitaoka and Bernard Sapoval :
• Kiran Kolwankar and Bernard Sapoval :
• Stephanie Russ and Bernard Sapoval :
• Marcel Filoche :
• Jean-François Gouyet and Mathis Plapp :
• Marie Farge :
• Claude Bardos and François Golse :
• Jean-Louis Basdevant :
• France Telecom ("Churn") :

Collaborative Works [Travaux Collaboratifs] :

Andrea Baldassarri, Andrea Gabrielli and Bernard Sapoval :

Erosion of a bidimensional random (with small and large scale correlations) medium.	Erosion of a bidimensional random (with small and large scale correlations) medium.	Erosion of a bidimensional random island.	Erosion of a bidimensional random island.	Erosion of a bidimensional random island.
Erosion of a bidimensional random island.	Erosion of a set of four bidimensional random islands.	Erosion of a bidimensional random (with small scale correlations) island.	Erosion of a bidimensional random (with small scale correlations) island.	Erosion of a bidimensional random (with small scale correlations) island.
Erosion of a bidimensional random (with small scale correlations) island.	Erosion of a set of four bidimensional random (with small scale correlations) islands.	Erosion of a bidimensional random (with large scale correlations) island.	Erosion of a bidimensional random (with large scale correlations) island.	Erosion of a bidimensional random (with large scale correlations) island.
Erosion of a bidimensional random (with large scale correlations) island.	Erosion of a set of four bidimensional random (with large scale correlations) islands.	Erosion of a bidimensional random (with small and large scale correlations) island.	Erosion of a bidimensional random (with small and large scale correlations) island.	Erosion of a bidimensional random (with small and large scale correlations) island.
Erosion of a bidimensional random (with small and large scale correlations) island.	Erosion of a set of four bidimensional random (with small and large scale correlations) islands.	Erosion of a bidimensional random (with small and large scale correlations) medium by means of an heterogeneous sea.	Erosion of a tridimensional random medium.	Erosion of a tridimensional random medium.




• See more realistic pictures of bidimensional erosion.
• See more realistic pictures of tridimensional erosion.



Marcel Filoche and Bernard Sapoval :

RestrictedAccess --> RestrictedAccess --> Diffusion inside a tridimensional fractal structure.




Jean-François Gouyet, Michel Rosso and Bernard Sapoval :

• See pictures of fractal diffusion fronts in a bidimensional medium.



Hiroko Kitaoka and Bernard Sapoval :

• See pictures of the human pulmonary acinus.



Kiran Kolwankar and Bernard Sapoval :

RestrictedAccess --> RestrictedAccess --> Etching of a bidimensional random medium with a uniform temperature.

RestrictedAccess --> RestrictedAccess --> Etching of a bidimensional random medium with a non uniform temperature -'gaussian' like-.

RestrictedAccess --> RestrictedAccess --> Etching of a bidimensional random medium with a non uniform temperature -'archimedian' like-.

RestrictedAccess --> RestrictedAccess --> Etching of a tridimensional random medium.




• See more realistic pictures of bidimensional etching.



Stephanie Russ and Bernard Sapoval :

RestrictedAccess --> RestrictedAccess --> Vibration of a fractal drum (Dirichlet boundary conditions, mode=1).

RestrictedAccess --> RestrictedAccess --> Vibration of a fractal drum (Dirichlet boundary conditions, mode=2).

RestrictedAccess --> RestrictedAccess --> Vibration of a fractal drum (Dirichlet boundary conditions, mode=3).

RestrictedAccess --> RestrictedAccess --> Vibration of a fractal drum (Dirichlet boundary conditions, mode=4).




Marcel Filoche :

RestrictedAccess --> RestrictedAccess --> The electric potential around a tridimensional fractal electrode.




Jean-François Gouyet and Mathis Plapp :

RestrictedAccess --> RestrictedAccess --> Spinodal decomposition of a binary alloy.




Marie Farge :

RestrictedAccess --> RestrictedAccess --> Tridimensional display of the wavelet transform (colors=module, grey lines=0-phase lines) of a bidimensional vorticity field.

RestrictedAccess --> RestrictedAccess --> Wavelet filtering of a bidimensional turbulent field.

RestrictedAccess --> RestrictedAccess --> Wavelet reconstruction of a bidimensional turbulent field using the 16 first dilatations.

RestrictedAccess --> RestrictedAccess --> The vorticity of a tridimensional turbulent field.




Claude Bardos and François Golse :

Chaotic trajectory : multiple reflexions between two parallel planes -static view-.	Chaotic trajectory : multiple reflexions between two parallel planes for 64 different initial conditions.	Chaotic trajectory : multiple reflexions between two parallel planes -rotating views-.	Density of chaotic trajectories.	Dynamics of the density of chaotic trajectories.
Chaotic trajectory : multiple reflexions between two parallel planes -rotating views, non diffusive case-.




Jean-Louis Basdevant :

• See pictures of the hydrogen atom.
• See pictures of the diffraction phenomenon.



France Telecom ("Churn") :

RestrictedAccess --> RestrictedAccess --> Data-mining : identification of 'churning' customers.

Copyright (c) Jean-François Colonna, 2002-2012.
Copyright (c) CMAP (Centre de Mathématiques APpliquées) UMR CNRS 7641 / Ecole Polytechnique, 2002-2012.