50 articles
Le texte présente des modèles cosmologiques récents, notamment un univers avec un temps inversé et des masses négatives.
The COSMO-17 international conference report took place in Paris in August 2017. It brought together 193 participants from 24 countries, mainly physicists and cosmologists.
The report of the 3rd Karl Schwarzschild Meeting deals with gravitational physics and the gravity-gauge correspondence, with particular attention to black holes.
The article challenges the classical black hole model by reinterpreting Schwarzschild geometry.
The text addresses the concepts of Lorentz groups and metrics in theoretical physics.
The page discusses the spiral structure in the context of astrophysics, particularly the dynamics of positive and negative matter clusters.
This 1994 work explores the spiral structure of galaxies and proposes a formation scenario based on phantom matter.
The text talks about a twin universe and the associated astrophysics.
The text deals with the twin universe in astrophysics and cosmology, focusing on the Vlasov and Poisson equations.
The text deals with the spiral structure in the context of astrophysics and dark matter.
The article deals with the spiral structure and the distribution of positive and negative mass.
The article investigates the formation of spiral structures in galaxies through astrophysical simulations.
The page discusses the spiral structure of a galaxy and its interaction with an anti-galaxy.
The article explores the spiral structure of galaxies using 2D simulations. Parameters such as the epicyclic frequency and mass ratio influence the formation of spiral arms.
Presentation of the work published by J.P. Petit on cosmology and the variable speed of light.
The article explores the variable constants model, developed from a theory of a twin universe.
The article explores a theory of repulsive dark matter, which could explain astronomical observations without resorting to classical dark matter.
This text explores a cosmological model based on two universes, one ordinary and the other 'ghost', with opposite physical properties.
The article explores a mathematical solution to describe stars with non-zero pressure, using field equations and the Schwarzschild metric.
This work explores the cosmology of the twin universe, connecting theoretical approaches and astrophysical models.
This document explores the cosmology of the twin universe by analyzing coupled Jeans equations.
The text discusses the use of water in engines to reduce fuel consumption and pollution.
The page features articles and preprints on cosmological models, particularly with a variable speed of light.
The article questions the existence of black holes and highlights the lack of observational evidence.
The text presents a cosmological model where the speed of light varies with time. Physical constants such as the Planck constant and the gravitational constant are also affected.
The cosmological model with a variable speed of light is presented, extending the physical constants in time. Entropy varies as Log t and the metric is conformally flat in a
The document presents a cosmological model with a variable speed of light, in comparison with the Friedman model.
The twin universe model proposes an antigravitational interaction between opposite regions of the universe.
The cosmology of twin universes suggests that the confinement of galaxies is due to the action of the antipodal matter located in the other universe.
The text explores a cosmological theory involving twin universes and a homogeneous distribution of antipodal matter.
This text explores the cosmology of twin universes and examines the constancy of the physical constants G and c.
The cosmology of twin universes explores models where physical constants vary.
The page explores the cosmology of twin universes and the associated physical equations.
The cosmology of twin universes explores the invariance of physical equations such as Schrödinger's and Boltzmann's equations.
The cosmology of twin universes explores the paradoxes related to the cosmological horizon and the homogeneity of the observed universe.
The article explores the cosmology of twin universes, particularly redshift and the Robertson-Walker metric with a variable speed of light.
This text presents a cosmological model based on the idea of twin universes, where the phenomena of light and energy emission are analyzed according to density and thermal velocity.
The article explores the theory of 'twin universes' and the density of 'twin matter' in the two cosmos.
The article explores the cosmology of twin universes, based on general relativity and Einstein's equation.
The article explores the concept of repulsive dark matter and its impact on galaxy rotation.
The text presents a repulsive dark matter model, which influences the evolution of the universe.
The text proposes an alternative interpretation of strong gravitational lensing effects, suggesting that repulsive dark matter could explain these phenomena.
This text deals with the cosmology of the twin universe, focusing on the geometric framework and the Newtonian approximation.
The article explores the cosmology of twin universes, focusing on the geometric framework and the Newtonian approximation.
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.
This text explores the twin universe model, based on two field equations and a Newtonian approach.
The page explores the cosmology of the twin universe, focusing on the exact solutions of the conjugate stationary metric.
This text deals with the cosmology of the twin universe, exploring conjugated stable metrics.
The cosmology of the twin universe explores conjugated status quo metrics and exact solutions in astrophysics.
The cosmology of twin universes explores conjugate stationary state metrics.