Gravitation
168 page(s) rattachée(s) à ce thème
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Some little things about the solar system
14/05/2024
The solar system is a planetary system that can be modeled in three-dimensional space. Many objects were ejected during its formation.
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Jeans instability and cosmological gravity
14/05/2024
Gravitational instability, or Jeans instability, is studied in the context of a sphere of dust with constant density.
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Thibaud Damour
03/10/2017
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Frankfurt Conference July 2017 report
02/08/2017
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groups and physics coadjoint action momentum
03/10/2015
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a4132
26/09/2015
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a4109
26/09/2015
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a4122
26/09/2015
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a4112
26/09/2015
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a4121
26/09/2015
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a4124
26/09/2015
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a4101
26/09/2015
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a4114
26/09/2015
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a4117
26/09/2015
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a4125
26/09/2015
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a4118
26/09/2015
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a4119
26/09/2015
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a4110
26/09/2015
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a4127
26/09/2015
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groups and physics coadjoint action momentum
16/09/2015
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groups and physics coadjoint action momentum
16/09/2015
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groups and physics coadjoint action momentum
16/09/2015
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20) More about imbedding and geodesics. All surfaces cannot be imbedded in
19/11/2014
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tspiral structure
09/05/2014
The text deals with the spiral structure in the context of astrophysics.
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spiral structure
09/05/2014
The text deals with the spiral structure in the context of astrophysics and dark matter.
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spiral structure
09/05/2014
The article investigates the formation of spiral structures in galaxies through astrophysical simulations.
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twin universe cosmology
22/11/2013
The article explores a mathematical solution to describe stars with non-zero pressure, using field equations and the Schwarzschild metric.
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repulsive dark matter
22/11/2013
The article explores a theory of repulsive dark matter, which could explain astronomical observations without resorting to classical dark matter.
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twin universe cosmology
22/11/2013
This document explores the cosmology of the twin universe by analyzing coupled Jeans equations.
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twin universe cosmology
22/11/2013
The article explores the variable constants model, developed from a theory of a twin universe.
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Untitled document
01/09/2013
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Physical cosmology MHD twin universe
31/05/2013
The text explores the possibilities of hypersonic flight using MHD disks, enabling quiet low-altitude flight.
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Non-equilibrium worlds (physics)
09/02/2013
The text explains the concept of thermodynamic equilibrium, illustrated by air molecules moving randomly but maintaining statistical stability.
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groups and physics coadjoint action momentum
22/06/2011
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Twenty-two years later
06/10/2010
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End of Sakharov's speech
04/05/2010
Sakharov's speech highlights the importance of thought and cooperation in the history of humanity.
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twin cosmology
01/12/2007
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A:
résentation en HTM
Q4.htm
18/09/2007
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Here, the figure has been lightened a little to make it more readable. A
18/09/2007
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f703
22/06/2007
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f704
22/06/2007
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twin universes against dark matter dark matter and cosmological constant
24/05/2007
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Twin universes against dark matter, dark matter, dark energy and cosmological constant
24/05/2007
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Twin universes against dark matter, dark matter, dark energy and cosmological constant
23/05/2007
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twin universe cosmology
22/01/2007
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a122
22/01/2007
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twin universe cosmology
22/01/2007
The page explores the cosmology of the twin universe and ghost matter in astrophysics.
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twin universe cosmology
22/01/2007
The cosmology of the twin universe explores the problem of the origin of the universe and the homogeneity of the primitive universe.
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twin universe cosmology
22/01/2007
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twin universe cosmology
22/01/2007
The text presents a cosmological model based on a twin universe, where coupled field equations are analyzed during the radiation era.
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twin universe cosmology
22/01/2007
The article explores a cosmology based on two conjugate universes, with exact solutions for stable metrics.
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twin universe cosmology
22/01/2007
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F4100 F4125 symmetries and antimatter
22/01/2007
The article explores the differences between matter and antimatter, particularly regarding symmetries such as Z-symmetry and PT-symmetry.
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Symmetries and antimatter in the ghost universe
22/01/2007
The article explores the properties of matter in the second universe, which is C-symmetric, enantiomorphic, and retrochronic T-symmetric.
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f4202
22/01/2007
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f4203
22/01/2007
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f4205
22/01/2007
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f4301
22/01/2007
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f4302
22/01/2007
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f4401
22/01/2007
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f4404
22/01/2007
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a702
22/01/2007
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twin universe cosmology
22/01/2007
The cosmology of twin universes explores conjugate stationary state metrics.
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Physical universe cosmos theory twin universe
22/01/2007
The text explores the limits of current physics and proposes an alternative vision of the universe.
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Poincaré's physique antimatter cosmology
22/01/2007
The text explores the actions of the Poincaré group on spacetime and physical moments, distinguishing its different components.
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f123
22/01/2007
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f120
22/01/2007
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twin universe cosmology
22/01/2007
The cosmology of the twin universe explores conjugated status quo metrics and exact solutions in astrophysics.
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twin universe cosmology
22/01/2007
This text deals with the cosmology of the twin universe, exploring conjugated stable metrics.
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f117
22/01/2007
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f111
22/01/2007
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f109
22/01/2007
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twin universe cosmology
22/01/2007
The page explores the cosmology of the twin universe, focusing on the exact solutions of the conjugate stationary metric.
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twin universe cosmology
22/01/2007
This text explores the twin universe model, based on two field equations and a Newtonian approach.
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f108
22/01/2007
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f107
22/01/2007
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twin universe cosmology
22/01/2007
This document explores the cosmology of the twin universe, focusing on dark matter and its gravitational effects.
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f106
22/01/2007
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twin universe cosmology
22/01/2007
The article explores the cosmology of twin universes, where two universes evolve in a coupled manner, one composed of ordinary matter and the other of phantom matter.
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f105
22/01/2007
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f104
22/01/2007
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f103
22/01/2007
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f102
22/01/2007
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twin universe astrophysics and cosmology
22/01/2007
The text explores the concept of a twin universe in astrophysics and cosmology, focusing on 2D numerical simulations.
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twin universe astrophysics and cosmology
22/01/2007
The article explores 2D numerical simulations of galaxy formation and Jeans instability on a sphere.
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twin universe cosmology
22/01/2007
The article explores the cosmology of twin universes, focusing on the geometric framework and the Newtonian approximation.
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twin universe cosmology
22/01/2007
This text deals with the cosmology of the twin universe, focusing on the geometric framework and the Newtonian approximation.
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repulsive dark matter
22/01/2007
The text proposes an alternative interpretation of strong gravitational lensing effects, suggesting that repulsive dark matter could explain these phenomena.
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f101
22/01/2007
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a126
22/01/2007
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a125
22/01/2007
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a124
22/01/2007
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a123
22/01/2007
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a111
22/01/2007
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a120
22/01/2007
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missing mass cosmology universe twins
22/01/2007
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missing mass cosmology universe twins
22/01/2007
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double universe cosmology missing mass
22/01/2007
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a119
22/01/2007
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twin universe cosmology
22/01/2007
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twin universe cosmology
22/01/2007
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twin universe cosmology
22/01/2007
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twin universe cosmology
22/01/2007
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twin universe cosmology
22/01/2007
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twin universe astrophysics and cosmology
22/01/2007
The article presents 2D numerical simulations of the effect of matter and dark matter on galaxy formation.
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twin universe cosmology
22/01/2007
The cosmology of the twin universe explores exact solutions of Schwarzschild metrics and their dynamics.
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twin universe cosmology
22/01/2007
The cosmology of the twin universe explores the properties of the universe through varying scales of time and space.
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F3212
22/01/2007
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f3213
22/01/2007
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repulsive dark matter
22/01/2007
The text presents a repulsive dark matter model, which influences the evolution of the universe.
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Confinement of spheroidal galaxies by phantom matter
22/01/2007
The text explores the concept of phantom matter and its role in the confinement of spherical galaxies.
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groups and physics coadjoint action momentum
22/01/2007
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twin universe twin cosmology
22/01/2007
The article explores the concept of a twin universe and cosmological twins, in relation to dark matter.
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Spherical galaxy confinement by dark matter
22/01/2007
The article explores the physics of phantom matter and its role in the confinement of spheroidal galaxies.
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a206
22/01/2007
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a205
22/01/2007
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groups and physics coadjoint action momentum
22/01/2007
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groups and physics coadjoint action momentum
22/01/2007
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groups and physics coadjoint action momentum
22/01/2007
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groups and physics coadjoint action momentum
22/01/2007
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groups and physics coadjoint action momentum
22/01/2007
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groups and physics coadjoint action momentum
22/01/2007
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groups and physics coadjoint action momentum
22/01/2007
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groups and physics coadjoint action momentum
22/01/2007
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f4122
22/01/2007
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f4123
22/01/2007
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f4124
22/01/2007
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f4501
22/01/2007
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f4504
22/01/2007
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f4505
22/01/2007
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a204
22/01/2007
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a203
22/01/2007
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a116
22/01/2007
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a202
22/01/2007
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a115
22/01/2007
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a114
22/01/2007
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a101
22/01/2007
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a102
22/01/2007
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a103
22/01/2007
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a104
22/01/2007
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a105
22/01/2007
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a107
22/01/2007
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a108
22/01/2007
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a110
22/01/2007
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6) The choice of a time marker. In the [ t , r , q , j ] coordinates, corr
21/01/2007
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Geodesic problems
21/01/2007
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Mathematical physics and geometry
21/01/2007
Mathematical physics, initiated by Jean-Marie Souriau, uses geometry to explain physical concepts such as energy, mass, and spin.
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But there do exist surfaces that are intrinsically singular, possessing singularit
21/01/2007
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We've cleaned up the figure here to make it a little more legible. A surf
21/01/2007
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PQ4
21/01/2007
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3) Geodesics in an [r, j] representation. Introducing (6) into (14), with dr
21/01/2007
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13) Isometry groups. Let a be a 3D rotation matrix. Write: (78) The SO3 x R
21/01/2007
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23) Description in a ten-dimensional space. In previous papers ([22], [23] and
21/01/2007
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Twin universe model and negative energy particles
02/11/2006
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Gravito-magnetic effect. Works by Frédéric Henry-Couannier, Marseille
15/08/2005
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twin universe geminate cosmology
13/06/2005
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twin universe
13/06/2005
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twin universe
13/06/2005
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twin universes cosmology gemellaire
13/06/2005
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twin universe geminate cosmology
13/06/2005
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twin universe geminate cosmology
13/06/2005
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The mysteries of the B2 bomber
20/08/2002
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Untitled document
12/12/2001
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Untitled document
17/03/2000
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Untitled document
17/03/2000
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Untitled document
31/03/1997
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Twin Universes cosmology
01/01/1995
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missing astrophysical mass
01/01/1994