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Scalar perturbations in f(R) cosmologies in the late Universe

Jan Novák (2017)

Archivum Mathematicum

Standard approach in cosmology is hydrodynamical approach, when galaxies are smoothed distributions of matter. Then we model the Universe as a fluid. But we know, that the Universe has a discrete structure on scales 150 - 370 MPc. Therefore we must use the generalized mechanical approach, when is the mass concentrated in points. Methods of computations are then different. We focus on $f (R)$ -theories of gravity and we work in the cell of uniformity in the late Universe. We do the scalar perturbations...

Scaling limit of particle systems, incompressible Navier-Stokes equation and Boltzmann equation.

Yau, Horng-Tzer (1998)

Documenta Mathematica

Scattering for a one-sided Klein-Gordon equation in quantum gravity

João-Paulo Dias, Mario Figueira, Jeffrey Rauch (1994)

Annales de l'I.H.P. Physique théorique

Scattering matrix in conformal geometry

C. Robin Graham, Maciej Zworski (2000/2001)

Séminaire Équations aux dérivées partielles

Scattering of linear Dirac fields by a spherically symmetric Black-Hole

J.-P. Nicolas (1995)

Annales de l'I.H.P. Physique théorique

Schrödinger-like dilaton gravity.

Nakayama, Yu (2011)

SIGMA. Symmetry, Integrability and Geometry: Methods and Applications [electronic only]

Second-order approximate symmetries of the geodesic equations for the Reissner-Nordström metric and re-scaling of energy of a test particle.

Hussain, Ibrar, Mahomed, Fazal M., Qadir, Asghar (2007)

SIGMA. Symmetry, Integrability and Geometry: Methods and Applications [electronic only]

Selection Rules for Topology Change

G. W. Gibbons (1992)

Recherche Coopérative sur Programme n°25

Self-localized quasi-particle excitation in quantum electrodynamics and its physical interpretation.

Feranchuk, Ilya D., Feranchuk, Sergey I. (2007)

SIGMA. Symmetry, Integrability and Geometry: Methods and Applications [electronic only]

Seven-dimensional considerations of Einstein's connection. II: The recurrence relations of the second and third kind in 7- $g$ -UFT.

Kim, Mi Ae, So, Keum Sook, Cho, Chung Hyun, Chung, Kyung Tae (2003)

International Journal of Mathematics and Mathematical Sciences

Seven-dimensional considerations of Einstein's connection. I: The recurrence relations of the first kind in $n$ - $g$ -UFT.

Kim, Mi Ae, So, Keum Sook, Cho, Chung Hyun, Chung, Kyung Tae (2003)

International Journal of Mathematics and Mathematical Sciences

Seven-dimensional considerations of Einstein'sconnection. III: The seven-dimensional Einstein's connection.

Kim, Mi Ae, So, Keum Sook, Cho, Chung Hyun, Chung, Kyung Tae (2003)

International Journal of Mathematics and Mathematical Sciences

Sharp $L^{1}$ estimates for singular transport equations

Sergiu Klainerman, Igor Rodnianski (2008)

Journal of the European Mathematical Society

We provide $L^{1}$ estimates for a transport equation which contains singular integral operators. The form of the equation was motivated by the study of Kirchhoff–Sobolev parametrices in a Lorentzian space-time satisfying the Einstein equations. While our main application is for a specific problem in General Relativity we believe that the phenomenon which our result illustrates is of a more general interest.

Simulation of the radiation reaction orbits of a classical relativistic charged particle with generalized off-shell Lorentz force.

Roitgrund, Aviad, Horwitz, Lawrence (2010)

Discrete Dynamics in Nature and Society

Single-pole interaction of the particle with the string.

Vasilić, Milovan, Vojinović, Marko (2008)

SIGMA. Symmetry, Integrability and Geometry: Methods and Applications [electronic only]

Six-dimensional considerations of Einstein's connection for the first two-classes. I: The recurrence relations in 6- $g$ -UFT.

Chung, Kyung Tae, Yang, Gye Tak, Hwang, In Ho (1999)

International Journal of Mathematics and Mathematical Sciences

Smooth static solutions of the spherically symmetric Vlasov-Einstein system

G. Rein, A. D. Rendall (1993)

Annales de l'I.H.P. Physique théorique

Currently displaying 1 – 20 of 50

Page 1 Next

Displaying 1 – 20 of 50

Scalar perturbations in f(R) cosmologies in the late Universe

Scaling limit of particle systems, incompressible Navier-Stokes equation and Boltzmann equation.

Scattering for a one-sided Klein-Gordon equation in quantum gravity

Scattering matrix in conformal geometry

Scattering of linear Dirac fields by a spherically symmetric Black-Hole

Schrödinger-like dilaton gravity.

Second-order approximate symmetries of the geodesic equations for the Reissner-Nordström metric and re-scaling of energy of a test particle.

Selection Rules for Topology Change

Self-localized quasi-particle excitation in quantum electrodynamics and its physical interpretation.

Seven-dimensional considerations of Einstein's connection. II: The recurrence relations of the second and third kind in 7- $g$ -UFT.

Seven-dimensional considerations of Einstein's connection. I: The recurrence relations of the first kind in $n$ - $g$ -UFT.

Seven-dimensional considerations of Einstein'sconnection. III: The seven-dimensional Einstein's connection.

Sharp $L^{1}$ estimates for singular transport equations

Shock waves and general relativity

Shock-wave explosions in general relativity

Simple derivation of quasinormal modes for arbitrary spins.

Simulation of the radiation reaction orbits of a classical relativistic charged particle with generalized off-shell Lorentz force.

Single-pole interaction of the particle with the string.

Six-dimensional considerations of Einstein's connection for the first two-classes. I: The recurrence relations in 6- $g$ -UFT.

Smooth static solutions of the spherically symmetric Vlasov-Einstein system

Currently displaying 1 – 20 of 50