Gallery (38 different pictures):

Astrophysics and Cosmology

[Galerie (38 images différentes) : Astrophysique et Cosmologie]

Astrophysics and Cosmology [Astrophysique et Cosmologie]:

Astrophysics and Cosmology [Astrophysique et Cosmologie]:

Space Curvature and General Relativity [Courbure de l'Espace et Relativité Générale]:

Artistic view of gravitational waves.

Gravitation and space-time curvature.

Gravitation and space-time curvature.

A one sheet hyperboloid of revolution -negative curvature-.

A plane -zero curvature-.

A sphere -positive curvature-.

RestrictedAccess --> The Jean-Alain Marck's travel around a black hole -the world first computation on 12/1989-.

RestrictedAccess --> The Jean-Alain Marck's travel around a black hole -the world first computation on 12/1989-.

Coalescence of 972 particles -black holes?- on a bidimensional rectangular billiard.

Coalescence of 40832 particles -black holes?- inside a tridimensional parallelepipedic billiard.

Coalescence of 40832 particles -black holes?- inside a tridimensional parallelepipedic billiard.

Coalescence of 40832 particles -black holes?- inside a tridimensional parallelepipedic billiard with display of the dynamics of the mass histogram.




The Universe and the Multiverse [L'Univers et le Multivers]:

Artistic view of the Cosmic Web (nodes, galaxy clusters, filaments,... including 637.312 galaxies) obtained by means of a non deterministic fractal process.

Artistic view of the Cosmic Web (nodes, galaxy clusters, filaments,... including 1.083.984 galaxies) obtained by means of a non deterministic fractal process.

Artistic view of a fractal Multiverse.

Universe or Multiverse -The fractal Universe-?.

Kasner billiard: Time-dependent billiard (from negative curvatures to positive curvature) with one particle.

Tridimensional display of the inflationary Universe.

Artistic view of the Big Bang.

Artistic view of the Big Bang.

Where is the Universe?.

Where is the Multiverse?.

The Universe at the heart of a Calabi-Yau manifold.

From low to high galaxy density in the local universe (the depth is displayed by means of the luminance).




Quantum Gravity, Super-Strings, Calabi-Yau Manifold and Planck Scale [Gravitation Quantique, Super-Cordes, Variété de Calabi-Yau et Echelle de Planck]:

[see also the Newtonian Gravity]



Causal set obtained by means of an homogeneous random meshing of a cube.

Tridimensional representation of a quadridimensional Calabi-Yau manifold.

Tridimensional representation of quadridimensional Calabi-Yau manifolds -Calabi-Yau manifolds attached to every point of our familiar tridimensional space?-.

Tridimensional representation of quadridimensional Calabi-Yau manifolds -Calabi-Yau manifolds attached to every point of our familiar tridimensional space?-.

Tridimensional representation of quadridimensional Calabi-Yau manifolds -Calabi-Yau manifolds attached to every point of our familiar tridimensional space?-.

Tridimensional representation of quadridimensional Calabi-Yau manifolds -Calabi-Yau manifolds attached to every point of our familiar tridimensional space?-.

Tridimensional representation of quadridimensional Calabi-Yau manifolds -Calabi-Yau manifolds attached to every point of a fractal tridimensional space-.

Tridimensional representation of quadridimensional Calabi-Yau manifolds -Calabi-Yau manifolds attached to every point of a fractal tridimensional space-.

Tridimensional representation of quadridimensional Calabi-Yau manifolds -Calabi-Yau manifolds attached to every point of a fractal tridimensional space-.

Tridimensional representation of quadridimensional Calabi-Yau manifolds -Calabi-Yau manifolds attached to every point of a fractal tridimensional space-.

Rotation about the Y (vertical) axis of a tridimensional representation of a quadridimensional Calabi-Yau manifold.

Rotation about the Y (vertical) axis of a tridimensional representation of a quadridimensional Calabi-Yau manifold that can also be viewed as a set of 4x3 stereograms.

Evolution of a tridimensional representation of a quadridimensional Calabi-Yau manifold.

Tridimensional representation of a hexadimensional Calabi-Yau manifold.




The Sun [Le Soleil]:

The random walk of photons escaping the Sun.

The random walk of photons escaping the Sun.

Copyright © Jean-François Colonna, 2000-2023.
Copyright © France Telecom R&D and CMAP (Centre de Mathématiques APpliquées) UMR CNRS 7641 / École polytechnique, Institut Polytechnique de Paris, 2000-2023.