73. Z. Golda, A.Woszczyna
Dispersion of density waves in the early universe with positive cosmological constant
Class. Quantum Grav., vol. 20, p. 277 (2003).
[abstract] [preprint] [journal] |
Abstract:
Density perturbations in the flat (K=0) Robertson-Walker universe with radiation ($p=\epsilon/3$) and positive cosmological constant ($\Lambda>0$) are investigated. The phenomenon of anomalous dispersion of acoustic waves on $\Lambda$ is discussed.
|
74. Zdzislaw A. Golda, Andrzej Woszczyna
A field theory approach to cosmological density perturbations
Phys. Lett. A , vol. 310, pp. 357-362 (2003).
[abstract] [preprint] [journal] |
Abstract:
Adiabatic perturbations propagate in the expanding universe like scalar massless fields in some effective Robertson-Walker space-time.
|
75. Jacek Guzik, Uros Seljak
Virial masses of galactic halos from galaxy-galaxy lensing: theoretical modeling and application to SDSS
MNRAS, vol. 335, p. 311 (2002).
[preprint] [journal] |
Abstract:
|
76. Leszek M. Sokołowski
Quantum spacetime and the problem of time in quantum gravity.
A Synthese Library (Studies in Epistemology, Logic, Methodology and Philosophy of Science), vol. 309, pp. 23-46 (2002).
[abstract] |
Abstract:
in: "A Collection of Polish Works on Philosophical Problems of Time and Spacetime", ed. by H. Eilstein, Synthese Library (Studies in Epistemology, Logic, Methodology and Philosophy of Science) vol. 309, Kluwer Acad. Publ., Dordrecht 2002. |
77. A. V. Pokrovskii, S. J. Szybka, J. G. McInerney
Topological Degree in Locating Homoclinic Structures for Discrete Dynamical Systems
Izv. Ross. Akad. Estestv. Nauk Mat., vol. 5, pp. 152-183 (2001).
[abstract] [preprint] [journal] |
Abstract:
A method of applying topological degree theory to analysis of chaotic behaviour of dynamical systems is described. The scheme combines one suggested by P. Zgliczynski with the method of topological shadowing. As an illustration a Henon mapping with a homoclinic tangency is considered. |
78. Jacek Guzik, Uros Seljak
Galaxy-dark matter correlations applied to galaxy-galaxy lensing: predictions from the semi-analytic galaxy formation models
MNRAS, vol. 321, p. 439 (2001).
[preprint] [journal] |
Abstract:
|
