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Akademický článek
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Autor:
Kervella, Pierre, Mérand, Antoine, Szabados, Laszlo, Fouqué, Pascal, Bersier, David, Pompei, Emanuela, Perrin, Guy
Context: The bright southern Cepheid RS Pup is surrounded by a circumstellar nebula reflecting the light from the central star. The propagation of the light variations from the Cepheid inside the dusty nebula creates spectacular light echoes that can
Externí odkaz:
http://arxiv.org/abs/0802.1501
Autor:
Szabados, Laszlo B
The eigenvalue problem for the Sen--Witten operator on closed spacelike hypersurfaces is investigated. The (square of its) eigenvalues are shown to be given exactly by the 3-surface integral appearing in the expression of the total energy-momentum of
Externí odkaz:
http://arxiv.org/abs/0712.2785
Autor:
Szabados, Laszlo B
Publikováno v:
Class.Quant.Grav.25:195004,2008
The potential global topological obstructions to the tetrad approach to finding the quasi-local conserved quantities, associated with closed, orientable spacelike 2-surfaces S, are investigated. First we show that the Lorentz frame bundle is always g
Externí odkaz:
http://arxiv.org/abs/0712.0085
Autor:
Szabados, Laszlo B.
Publikováno v:
Class.Quant.Grav.25:095005,2008
The Hamiltonian constraint of the coupled Einstein-Yang-Mills-Higgs system with a cosmological constant is shown to be a pure Poisson bracket of a dimensionless functional on the phase space and the volume of the three-space. One of its potential con
Externí odkaz:
http://arxiv.org/abs/0711.4009
Autor:
Szabados, Laszlo B.
Publikováno v:
Class.Quant.Grav.25:025007,2008
The eigenvalue problem for Dirac operators, constructed from two connections on the spinor bundle over closed spacelike 2-surfaces, is investigated. A class of divergence free vector fields, built from the eigenspinors, are found, which, for the lowe
Externí odkaz:
http://arxiv.org/abs/0709.1072
Publikováno v:
Plant Physiology, 2017 Sep 01. 175(1), 555-567.
Externí odkaz:
https://www.jstor.org/stable/26375412
Publikováno v:
Astron.Astrophys.461:613-618,2007
XZ Ceti is the only known anomalous Cepheid in the Galactic field. Being the nearest and brightest such variable star, a detailed study of XZ Ceti may shed light on the behaviour of anomalous Cepheids whose representatives have been mostly detected i
Externí odkaz:
http://arxiv.org/abs/astro-ph/0609097
Autor:
Szabados, Laszlo B
Publikováno v:
Class.Quant.Grav. 23 (2006) 2291-2302
The boundary conditions for canonical vacuum general relativity is investigated at the quasi-local level. It is shown that fixing the area element on the 2- surface S (rather than the induced 2-metric) is enough to have a well defined constraint alge
Externí odkaz:
http://arxiv.org/abs/gr-qc/0511059